×

1

H

Hydrogen

1.008

Atomic number: 1
Standard state: Gas
Group: 1
Period: 1
Atomic mass: 1.008 u
Atomic radius (van der Waals): 120 pm
Electron configuration: 1s¹
Electrons per shell: 1
1^st ionization energy: 13.598 eV
Electronegativity (Pauling): 2.2
Valency: 1
Crystal structure: Hexagonal

×

2

He

Helium

4.002

Atomic number: 2
Standard state: Gas
Group: 18
Period: 1
Atomic mass: 4.002 u
Atomic radius (van der Waals): 140 pm
Electron configuration: 1s²
Electrons per shell: 2
1^st ionization energy: 24.587 eV
Valency: 0
Crystal structure: HCP

×

3

Li

Lithium

6.94

Atomic number: 3
Standard state: Solid
Group: 1
Period: 2
Atomic mass: 6.94 u
Atomic radius (van der Waals): 182 pm
Electron configuration: [He] 2s¹
Electrons per shell: 2, 1
1^st ionization energy: 15.392 eV
Electronegativity (Pauling): 0.98
Valency: 1
Crystal structure: BCC

×

4

Be

Beryllium

9.012

Atomic number: 4
Standard state: Solid
Group: 2
Period: 2
Atomic mass: 9.012 u
Atomic radius (van der Waals): 153 pm
Electron configuration: [He] 2s²
Electrons per shell: 2, 2
1^st ionization energy: 9.323 eV
Electronegativity (Pauling): 1.57
Valency: 2
Crystal structure: HCP

×

5

B

Boron

10.81

Atomic number: 5
Standard state: Solid
Group: 13
Period: 2
Atomic mass: 10.81 u
Atomic radius (van der Waals): 192 pm
Electron configuration: [He] 2s² 2p¹
Electrons per shell: 2, 3
1^st ionization energy: 8.298 eV
Electronegativity (Pauling): 2.04
Valency: 3
Crystal structure: Rhombohedral

×

6

C

Carbon

12.011

Atomic number: 6
Standard state: Solid
Group: 14
Period: 2
Atomic mass: 12.011 u
Atomic radius (van der Waals): 170 pm
Electron configuration: [He] 2s² 2p²
Electrons per shell: 2, 4
1^st ionization energy: 17.423 eV
Electronegativity (Pauling): 2.55
Valency: 4
Crystal structure: Hexagonal

×

7

N

Nitrogen

14.007

Atomic number: 7
Standard state: Gas
Group: 15
Period: 2
Atomic mass: 14.007 u
Atomic radius (van der Waals): 155 pm
Electron configuration: [He] 2s² 2p³
Electrons per shell: 2, 5
1^st ionization energy: 14.534 eV
Electronegativity (Pauling): 3.04
Valency: 3
Crystal structure: Hexagonal

×

8

O

Oxygen

15.999

Atomic number: 8
Standard state: Gas
Group: 16
Period: 2
Atomic mass: 15.999 u
Atomic radius (van der Waals): 152 pm
Electron configuration: [He] 2s² 2p⁴
Electrons per shell: 2, 6
1^st ionization energy: 13.61 eV
Electronegativity (Pauling): 3.44
Valency: 2
Crystal structure: Simple Cubic (SC)

×

9

F

Fluorine

18.998

Atomic number: 9
Standard state: Gas
Group: 17
Period: 2
Atomic mass: 18.998 u
Atomic radius (van der Waals): 135 pm
Electron configuration: [He] 2s² 2p⁵
Electrons per shell: 2, 7
1^st ionization energy: 17.423 eV
Electronegativity (Pauling): 3.98
Valency: 1
Crystal structure: Simple Cubic (SC)

×

10

Ne

Neon

20.180

Atomic number: 10
Standard state: Gas
Group: 18
Period: 2
Atomic mass: 20.180 u
Atomic radius (van der Waals): 154 pm
Electron configuration: [He] 2s² 2p⁶
Electrons per shell: 2, 8
1^st ionization energy: 21.565 eV
Valency: 0
Crystal structure: FCC

×

11

Na

Sodium

22.990

Atomic number: 11
Standard state: Solid
Group: 1
Period: 3
Atomic mass: 22.990 u
Atomic radius (van der Waals): 227 pm
Electron configuration: [Ne] 3s¹
Electrons per shell: 2, 8, 1
1^st ionization energy: 5.139 eV
Electronegativity (Pauling): 0.93
Valency: 1
Crystal structure: BCC

×

12

Mg

Magnesium

24.305

Atomic number: 12
Standard state: Solid
Group: 2
Period: 3
Atomic mass: 24.305 u
Atomic radius (van der Waals): 173 pm
Electron configuration: [Ne] 3s²
Electrons per shell: 2, 8, 2
1^st ionization energy: 7.646 eV
Electronegativity (Pauling): 1.31
Valency: 2
Crystal structure: HCP

×

13

Al

Aluminum

26.982

Atomic number: 13
Standard state: Solid
Group: 13
Period: 3
Atomic mass: 26.982 u
Atomic radius (van der Waals): 184 pm
Electron configuration: [Ne] 3s² 3p¹
Electrons per shell: 2, 8, 3
1^st ionization energy: 5.986 eV
Electronegativity (Pauling): 1.61
Valency: 3
Crystal structure: FCC

×

14

Si

Silicon

28.085

Atomic number: 14
Standard state: Solid
Group: 14
Period: 3
Atomic mass: 28.085 u
Atomic radius (van der Waals): 210 pm
Electron configuration: [Ne] 3s² 3p²
Electrons per shell: 2, 8, 4
1^st ionization energy: 8.152 eV
Electronegativity (Pauling): 1.9
Valency: 4
Crystal structure: Diamond cubic

×

15

P

Phosphorus

30.974

Atomic number: 15
Standard state: Solid
Group: 15
Period: 3
Atomic mass: 30.974 u
Atomic radius (van der Waals): 180 pm
Electron configuration: [Ne] 3s² 3p³
Electrons per shell: 2, 8, 5
1^st ionization energy: 10.487 eV
Electronegativity (Pauling): 2.19
Valency: 3
Crystal structure: Orthorhombic

×

16

S

Sulfur

32.06

Atomic number: 16
Standard state: Solid
Group: 16
Period: 3
Atomic mass: 32.06 u
Atomic radius (van der Waals): 180 pm
Electron configuration: [Ne] 3s² 3p⁴
Electrons per shell: 2, 8, 6
1^st ionization energy: 10.360 eV
Electronegativity (Pauling): 2.58
Valency: 2
Crystal structure: Orthorhombic

×

17

Cl

Chlorine

35.45

Atomic number: 17
Standard state: Gas
Group: 17
Period: 3
Atomic mass: 35.45 u
Atomic radius (van der Waals): 175 pm
Electron configuration: [Ne] 3s² 3p⁵
Electrons per shell: 2, 8, 7
1^st ionization energy: 12.968 eV
Electronegativity (Pauling): 3.16
Valency: 1
Crystal structure: Orthorhombic

×

18

Ar

Argon

39.95

Atomic number: 18
Standard state: Gas
Group: 18
Period: 3
Atomic mass: 39.95 u
Atomic radius (van der Waals): 188 pm
Electron configuration: [Ne] 3s² 3p⁶
Electrons per shell: 2, 8, 8
1^st ionization energy: 15.76 eV
Valency: 0
Crystal structure: FCC

×

19

K

Potassium

39.098

Atomic number: 19
Standard state: Solid
Group: 1
Period: 4
Atomic mass: 39.098 u
Atomic radius (van der Waals): 275 pm
Electron configuration: [Ar] 4s¹
Electrons per shell: 2, 8, 8, 1
1^st ionization energy: 4.341 eV
Electronegativity (Pauling): 0.82
Valency: 1
Crystal structure: BCC

×

20

Ca

Calcium

40.078

Atomic number: 20
Standard state: Solid
Group: 2
Period: 4
Atomic mass: 40.078 u
Atomic radius (van der Waals): 231 pm
Electron configuration: [Ar] 4s²
Electrons per shell: 2, 8, 8, 2
1^st ionization energy: 6.113 eV
Electronegativity (Pauling): 1.00
Valency: 2
Crystal structure: FCC

×

21

Sc

Scandium

44.956

Atomic number: 21
Standard state: Solid
Group: 3
Period: 4
Atomic mass: 44.956 u
Atomic radius (van der Waals): 211 pm
Electron configuration: [Ar] 3d¹ 4s²
Electrons per shell: 2, 8, 9, 2
1^st ionization energy: 6.56 eV
Electronegativity (Pauling): 1.36
Valency: 3
Crystal structure: HCP

×

22

Ti

Titanium

47.867

Atomic number: 22
Standard state: Solid
Group: 4
Period: 4
Atomic mass: 47.867 u
Atomic radius (van der Waals): 187 pm
Electron configuration: [Ar] 3d² 4s²
Electrons per shell: 2, 8, 10, 2
1^st ionization energy: 6.828 eV
Electronegativity (Pauling): 1.54
Density: 4.507 g/cm³
Crystal structure: HCP

×

23

V

Vanadium

50.942

Atomic number: 23
Standard state: Solid
Group: 5
Period: 4
Atomic mass: 50.942 u
Atomic radius (van der Waals): 179 pm
Electron configuration: [Ar] 3d³ 4s²
Electrons per shell: 2, 8, 11, 2
1^st ionization energy: 6.746 eV
Electronegativity (Pauling): 1.63
Density: 6.11 g/cm³
Crystal structure: BCC

×

24

Cr

Chromium

51.996

Atomic number: 24
Standard state: Solid
Group: 6
Period: 4
Atomic mass: 51.996 u
Atomic radius (van der Waals): 189 pm
Electron configuration: [Ar] 3d⁵ 4s¹
Electrons per shell: 2, 8, 13, 1
1^st ionization energy: 6.767 eV
Electronegativity (Pauling): 1.66
Density: 7.19 g/cm³
Crystal structure: BCC

×

25

Mn

Manganese

54.938

Atomic number: 25
Standard state: Solid
Group: 7
Period: 4
Atomic mass: 54.938 u
Atomic radius (van der Waals): 197 pm
Electron configuration: [Ar] 3d⁵ 4s²
Electrons per shell: 2, 8, 13, 2
1^st ionization energy: 7.434 eV
Electronegativity (Pauling): 1.55
Density: 7.47 g/cm³
Crystal structure: BCC

×

26

Fe

Iron

55.845

Atomic number: 26
Standard state: Solid
Group: 8
Period: 4
Atomic mass: 55.845 u
Atomic radius (van der Waals): 194 pm
Electron configuration: [Ar] 3d⁶ 4s²
Electrons per shell: 2, 8, 14, 2
1^st ionization energy: 7.902 eV
Electronegativity (Pauling): 1.83
Density: 7.87 g/cm³
Crystal structure: BCC

×

27

Co

Cobalt

58.933

Atomic number: 27
Standard state: Solid
Group: 9
Period: 4
Atomic mass: 58.933 u
Atomic radius (van der Waals): 192 pm
Electron configuration: [Ar] 3d⁷ 4s²
Electrons per shell: 2, 8, 15, 2
1^st ionization energy: 7.881 eV
Electronegativity (Pauling): 1.88
Density: 8.9 g/cm³
Crystal structure: HCP

×

28

Ni

Nickel

58.638

Atomic number: 28
Standard state: Solid
Group: 10
Period: 4
Atomic mass: 58.638 u
Atomic radius (van der Waals): 163 pm
Electron configuration: [Ar] 3d⁸ 4s²
Electrons per shell: 2, 8, 16, 2
1^st ionization energy: 7.64 eV
Electronegativity (Pauling): 1.91
Density: 8.9 g/cm³
Crystal structure: FCC

×

29

Cu

Copper

63.546

Atomic number: 29
Standard state: Solid
Group: 11
Period: 4
Atomic mass: 63.546 u
Atomic radius (van der Waals): 140 pm
Electron configuration: [Ar] 3d¹⁰ 4s¹
Electrons per shell: 2, 8, 18, 1
1^st ionization energy: 7.726 eV
Electronegativity (Pauling): 1.9
Density: 8.96 g/cm³
Crystal structure: FCC

×

30

Zn

Zinc

65.38

Atomic number: 30
Standard state: Solid
Group: 12
Period: 4
Atomic mass: 65.38 u
Atomic radius (van der Waals): 139 pm
Electron configuration: [Ar] 3d¹⁰ 4s²
Electrons per shell: 2, 8, 18, 2
1^st ionization energy: 9.394 eV
Electronegativity (Pauling): 1.65
Density: 7.14 g/cm³
Crystal structure: HCP

×

31

Ga

Gallium

69.723

Atomic number: 31
Standard state: Solid
Group: 13
Period: 4
Atomic mass: 69.723 u
Atomic radius (van der Waals): 187 pm
Electron configuration: [Ar] 3d¹⁰ 4s² 4p¹
Electrons per shell: 2, 8, 18, 3
1^st ionization energy: 5.999 eV
Electronegativity (Pauling): 1.81
Density: 5.904 g/cm³
Crystal structure: Orthorhombic

×

32

Ge

Germanium

72.630

Atomic number: 32
Standard state: Solid
Group: 14
Period: 4
Atomic mass: 72.630 u
Atomic radius (van der Waals): 211 pm
Electron configuration: [Ar] 3d¹⁰ 4s² 4p²
Electrons per shell: 2, 8, 18, 4
1^st ionization energy: 7.9 eV
Electronegativity (Pauling): 2.01
Density: 5.323 g/cm³
Crystal structure: Diamond cubic

×

33

As

Arsenic

74.922

Atomic number: 33
Standard state: Solid
Group: 15
Period: 4
Atomic mass: 74.922 u
Atomic radius (van der Waals): 185 pm
Electron configuration: [Ar] 3d¹⁰ 4s² 4p³
Electrons per shell: 2, 8, 18, 5
1^st ionization energy: 9.815 eV
Electronegativity (Pauling): 2.18
Density: 5.73 g/cm³
Crystal structure: Rhombohedral

×

34

Se

Selenium

78.971

Atomic number: 34
Standard state: Solid
Group: 16
Period: 4
Atomic mass: 78.971 u
Atomic radius (van der Waals): 190 pm
Electron configuration: [Ar] 3d¹⁰ 4s² 4p⁴
Electrons per shell: 2, 8, 18, 6
1^st ionization energy: 9.752 eV
Electronegativity (Pauling): 2.55
Density: 4.82 g/cm³
Crystal structure: Hexagonal

×

35

Br

Bromine

79.904

Atomic number: 35
Standard state: Liquid
Group: 17
Period: 4
Atomic mass: 79.904 u
Atomic radius (van der Waals): 183 pm
Electron configuration: [Ar] 3d¹⁰ 4s² 4p⁵
Electrons per shell: 2, 8, 18, 7
1^st ionization energy: 11.814 eV
Electronegativity (Pauling): 2.96
Density: 3.12 g/cm³
Crystal structure: Orthorhombic

×

36

Kr

Krypton

83.798

Atomic number: 36
Standard state: Gas
Group: 18
Period: 4
Atomic mass: 83.798 u
Atomic radius (van der Waals): 202 pm
Electron configuration: [Ar] 3d¹⁰ 4s² 4p⁶
Electrons per shell: 2, 8, 18, 8
1^st ionization energy: 14.00 eV
Electronegativity (Pauling): 3.00
Density: 3.75 g/L
Crystal structure: FCC

×

37

Rb

Rubidium

85.468

Atomic number: 37
Standard state: Solid
Group: 1
Period: 5
Atomic mass: 85.468 u
Atomic radius (van der Waals): 303 pm
Electron configuration: [Kr] 5s¹
Electrons per shell: 2, 8, 18, 8, 1
1^st ionization energy: 4.177 eV
Electronegativity (Pauling): 0.82
Valency: 1
Crystal structure: BCC

×

38

Sr

Strontium

87.62

Atomic number: 38
Standard state: Solid
Group: 2
Period: 5
Atomic mass: 87.62 u
Atomic radius (van der Waals): 249 pm
Electron configuration: [Kr] 5s²
Electrons per shell: 2, 8, 18, 8, 2
1^st ionization energy: 5.695 eV
Electronegativity (Pauling): 0.95
Density: 2.63 g/cm³
Crystal structure: FCC

×

39

Y

Yttrium

88.906

Atomic number: 39
Standard state: Solid
Group: 3
Period: 5
Atomic mass: 88.906 u
Atomic radius (van der Waals): 219 pm
Electron configuration: [Kr] 4d¹ 5s²
Electrons per shell: 2, 8, 18, 9, 2
1^st ionization energy: 6.217 eV
Electronegativity (Pauling): 1.22
Density: 4.472 g/cm³
Crystal structure: HCP

×

40

Zr

Zirconium

91.224

Atomic number: 40
Standard state: Solid
Group: 4
Period: 5
Atomic mass: 91.224 u
Atomic radius (van der Waals): 186 pm
Electron configuration: [Kr] 4d² 5s²
Electrons per shell: 2, 8, 18, 10, 2
1^st ionization energy: 6.634 eV
Electronegativity (Pauling): 1.33
Density: 6.511 g/cm³
Crystal structure: HCP

×

41

Nb

Niobium

92.906

Atomic number: 41
Standard state: Solid
Group: 5
Period: 5
Atomic mass: 92.906 u
Atomic radius (van der Waals): 207 pm
Electron configuration: [Kr] 4d⁴ 5s¹
Electrons per shell: 2, 8, 18, 12, 1
1^st ionization energy: 6.759 eV
Electronegativity (Pauling): 1.6
Density: 8.57 g/cm³
Crystal structure: BCC

×

42

Mo

Molybdenum

96.95

Atomic number: 42
Standard state: Solid
Group: 6
Period: 5
Atomic mass: 96.95 u
Atomic radius (van der Waals): 209 pm
Electron configuration: [Kr] 4d⁵ 5s¹
Electrons per shell: 2, 8, 18, 13, 1
1^st ionization energy: 7.092 eV
Electronegativity (Pauling): 2.16
Density: 10.28 g/cm³
Crystal structure: BCC

×

43

Tc

Technetium

(98)

Atomic number: 43
Standard state: Solid
Group: 7
Period: 5
Mass number (of most stable isotope): 98 u
Atomic radius (van der Waals): 209 pm
Electron configuration: [Kr] 4d⁵ 5s²
Electrons per shell: 2, 8, 18, 13, 2
1^st ionization energy: 7.28 eV
Electronegativity (Pauling): 1.9
Density: 11.5 g/cm³
Crystal structure: HCP

×

44

Ru

Ruthenium

101.07

Atomic number: 44
Standard state: Solid
Group: 8
Period: 5
Atomic mass: 101.07 u
Atomic radius (van der Waals): 207 pm
Electron configuration: [Kr] 4d⁷ 5s¹
Electrons per shell: 2, 8, 18, 15, 1
1^st ionization energy: 7.361 eV
Electronegativity (Pauling): 2.2
Density: 12.37 g/cm³
Crystal structure: HCP

×

45

Rh

Rhodium

102.91

Atomic number: 45
Standard state: Solid
Group: 9
Period: 5
Atomic mass: 102.91 u
Atomic radius (van der Waals): 195 pm
Electron configuration: [Kr] 4d⁸ 5s¹
Electrons per shell: 2, 8, 18, 16, 1
1^st ionization energy: 7.459 eV
Electronegativity (Pauling): 2.28
Density: 12.45 g/cm³
Crystal structure: FCC

×

46

Pd

Palladium

106.42

Atomic number: 46
Standard state: Solid
Group: 10
Period: 5
Atomic mass: 106.42 u
Atomic radius (van der Waals): 202 pm
Electron configuration: [Kr] 4d¹⁰
Electrons per shell: 2, 8, 18, 18
1^st ionization energy: 8.337 eV
Electronegativity (Pauling): 2.2
Density: 12.023 g/cm³
Crystal structure: FCC

×

47

Ag

Silver

107.87

Atomic number: 47
Standard state: Solid
Group: 11
Period: 5
Atomic mass: 107.87 u
Atomic radius (van der Waals): 172 pm
Electron configuration: [Kr] 4d¹⁰ 5s¹
Electrons per shell: 2, 8, 18, 18, 1
1^st ionization energy: 7.576 eV
Electronegativity (Pauling): 1.93
Density: 10.5 g/cm³
Crystal structure: FCC

×

48

Cd

Cadmium

112.41

Atomic number: 48
Standard state: Solid
Group: 12
Period: 5
Atomic mass: 112.41 u
Atomic radius (van der Waals): 158 pm
Electron configuration: [Kr] 4d¹⁰ 5s²
Electrons per shell: 2, 8, 18, 18, 2
1^st ionization energy: 8.994 eV
Electronegativity (Pauling): 1.69
Density: 8.65 g/cm³
Crystal structure: HCP

×

49

In

Indium

114.82

Atomic number: 49
Standard state: Solid
Group: 13
Period: 5
Atomic mass: 114.82 u
Atomic radius (van der Waals): 193 pm
Electron configuration: [Kr] 4d¹⁰ 5s² 5p¹
Electrons per shell: 2, 8, 18, 18, 3
1^st ionization energy: 5.786 eV
Electronegativity (Pauling): 1.78
Density: 7.31 g/cm³
Crystal structure: Tetragonal

×

50

Sn

Tin

118.71

Atomic number: 50
Standard state: Solid
Group: 14
Period: 5
Atomic mass: 118.71 u
Atomic radius (van der Waals): 217 pm
Electron configuration: [Kr] 4d¹⁰ 5s² 5p²
Electrons per shell: 2, 8, 18, 18, 4
1^st ionization energy: 7.344 eV
Electronegativity (Pauling): 1.96
Density: 7.31 g/cm³
Crystal structure: Tetragonal

×

51

Sb

Antimony

121.76

Atomic number: 51
Standard state: Solid
Group: 15
Period: 5
Atomic mass: 121.76 u
Atomic radius (van der Waals): 206 pm
Electron configuration: [Kr] 4d¹⁰ 5s² 5p³
Electrons per shell: 2, 8, 18, 18, 5
1^st ionization energy: 8.64 eV
Electronegativity (Pauling): 2.05
Density: 6.7 g/cm³
Crystal structure: Rhombohedral

×

52

Te

Tellurium

127.6

Atomic number: 52
Standard state: Solid
Group: 16
Period: 5
Atomic mass: 127.6 u
Atomic radius (van der Waals): 206 pm
Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁴
Electrons per shell: 2, 8, 18, 18, 6
1^st ionization energy: 9.01 eV
Electronegativity (Pauling): 2.1
Density: 6.24 g/cm³
Crystal structure: Hexagonal

×

53

I

Iodine

126.90

Atomic number: 53
Standard state: Solid
Group: 17
Period: 5
Atomic mass: 126.90 u
Atomic radius (van der Waals): 198 pm
Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁵
Electrons per shell: 2, 8, 18, 18, 7
1^st ionization energy: 10.451 eV
Electronegativity (Pauling): 2.66
Density: 4.94 g/cm³
Crystal structure: Orthorhombic

×

54

Xe

Xenon

131.29

Atomic number: 54
Standard state: Gas
Group: 18
Period: 5
Atomic mass: 131.29 u
Atomic radius (van der Waals): 216 pm
Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁶
Electrons per shell: 2, 8, 18, 18, 8
1^st ionization energy: 12.130 eV
Valency: 0
Density: 5.9 g/L
Crystal structure: FCC

×

55

Cs

Cesium

132.91

Atomic number: 55
Standard state: Solid
Group: 1
Period: 6
Atomic mass: 132.91 u
Atomic radius (van der Waals): 343 pm
Electron configuration: [Xe] 6s¹
Electrons per shell: 2, 8, 18, 18, 8, 1
1^st ionization energy: 3.894 eV
Electronegativity (Pauling): 0.79
Density: 1.88 g/cm³
Crystal structure: BCC

×

56

Ba

Barium

137.33

Atomic number: 56
Standard state: Solid
Group: 2
Period: 6
Atomic mass: 137.33 u
Atomic radius (van der Waals): 268 pm
Electron configuration: [Xe] 6s²
Electrons per shell: 2, 8, 18, 18, 8, 2
1^st ionization energy: 5.212 eV
Electronegativity (Pauling): 0.89
Density: 3.51 g/cm³
Crystal structure: BCC

×

57

La

Lanthanum

138.91

Atomic number: 57
Standard state: Solid
Group: 3
Period: 6
Atomic mass: 138.91 u
Atomic radius (van der Waals): 240 pm
Electron configuration: [Xe] 5d¹ 6s²
Electrons per shell: 2, 8, 18, 18, 9, 2
1^st ionization energy: 5.577 eV
Electronegativity (Pauling): 1.1
Density: 6.15 g/cm³
Crystal structure: DHCP

×

58

Ce

Cerium

140.12

Atomic number: 58
Standard state: Solid
Period: 6
Block: f
Atomic mass: 140.12 u
Atomic radius (van der Waals): 235 pm
Electron configuration: [Xe] 4f¹ 5d¹ 6s²
Electrons per shell: 2, 8, 18, 19, 9, 2
1^st ionization energy: 5.539 eV
Electronegativity (Pauling): 1.12
Density: 6.69 g/cm³
Crystal structure: FCC

×

59

Pr

Praseodymium

140.907

Atomic number: 59
Standard state: Solid
Period: 6
Block: f
Atomic mass: 140.907 u
Atomic radius (van der Waals): 239 pm
Electron configuration: [Xe] 4f³ 6s²
Electrons per shell: 2, 8, 18, 21, 8, 2
1^st ionization energy: 5.464 eV
Electronegativity (Pauling): 1.13
Density: 6.64 g/cm³
Crystal structure: DHCP

×

60

Nd

Neodymium

144.24

Atomic number: 60
Standard state: Solid
Period: 6
Block: f
Atomic mass: 144.24 u
Atomic radius (van der Waals): 229 pm
Electron configuration: [Xe] 4f⁴ 6s²
Electrons per shell: 2, 8, 18, 22, 8, 2
1^st ionization energy: 5.525 eV
Electronegativity (Pauling): 1.14
Density: 7.01 g/cm³
Crystal structure: DHCP

×

61

Pm

Promethium

(145)

Atomic number: 61
Standard state: Solid
Period: 6
Block: f
Mass number (of most stable isotope): 145 u
Atomic radius (van der Waals): 236 pm
Electron configuration: [Xe] 4f⁵ 6s²
Electrons per shell: 2, 8, 18, 23, 8, 2
1^st ionization energy: 5.55 eV
Electronegativity (Pauling): 1.14
Density: 7.26 g/cm³
Crystal structure: DHCP

×

62

Sm

Samarium

150.36

Atomic number: 62
Standard state: Solid
Period: 6
Block: f
Atomic mass: 150.36 u
Atomic radius (van der Waals): 229 pm
Electron configuration: [Xe] 4f⁶ 6s²
Electrons per shell: 2, 8, 18, 24, 8, 2
1^st ionization energy: 5.644 eV
Electronegativity (Pauling): 1.17
Density: 7.35 g/cm³
Crystal structure: Rhombohedral

×

63

Eu

Europium

151.96

Atomic number: 63
Standard state: Solid
Period: 6
Block: f
Atomic mass: 151.96 u
Atomic radius (van der Waals): 233 pm
Electron configuration: [Xe] 4f⁷ 6s²
Electrons per shell: 2, 8, 18, 25, 8, 2
1^st ionization energy: 5.670 eV
Density: 5.25 g/cm³
Crystal structure: BCC

×

64

Gd

Gadolinium

157.25

Atomic number: 64
Standard state: Solid
Period: 6
Block: f
Atomic mass: 157.25 u
Atomic radius (van der Waals): 237 pm
Electron configuration: [Xe] 4f⁷ 5d¹ 6s²
Electrons per shell: 2, 8, 18, 25, 9, 2
1^st ionization energy: 6.150 eV
Electronegativity (Pauling): 1.2
Density: 7.9 g/cm³
Crystal structure: HCP

×

65

Tb

Terbium

158.93

Atomic number: 65
Standard state: Solid
Period: 6
Block: f
Atomic mass: 158.93 u
Atomic radius (van der Waals): 221 pm
Electron configuration: [Xe] 4f⁹ 6s²
Electrons per shell: 2, 8, 18, 27, 8, 2
1^st ionization energy: 5.864 eV
Density: 8.22 g/cm³
Crystal structure: HCP

×

66

Dy

Dysprosium

162.50

Atomic number: 66
Standard state: Solid
Period: 6
Block: f
Atomic mass: 162.50 u
Atomic radius (van der Waals): 229 pm
Electron configuration: [Xe] 4f¹⁰ 6s²
Electrons per shell: 2, 8, 18, 28, 8, 2
1^st ionization energy: 5.939 eV
Density: 8.55 g/cm³
Crystal structure: HCP

×

67

Ho

Holmium

164.93

Atomic number: 67
Standard state: Solid
Period: 6
Block: f
Atomic mass: 164.93 u
Atomic radius (van der Waals): 216 pm
Electron configuration: [Xe] 4f¹¹ 6s²
Electrons per shell: 2, 8, 18, 29, 8, 2
1^st ionization energy: 6.022 eV
Electronegativity (Pauling): 1.23
Density: 8.8 g/cm³
Crystal structure: HCP

×

68

Er

Erbium

167.26

Atomic number: 68
Standard state: Solid
Period: 6
Block: f
Atomic mass: 167.26 u
Atomic radius (van der Waals): 216 pm
Electron configuration: [Xe] 4f¹² 6s²
Electrons per shell: 2, 8, 18, 30, 8, 2
1^st ionization energy: 6.022 eV
Electronegativity (Pauling): 1.23
Density: 9.06 g/cm³
Crystal structure: HCP

×

69

Tm

Thulium

168.93

Atomic number: 69
Standard state: Solid
Period: 6
Block: f
Atomic mass: 168.93 u
Atomic radius (van der Waals): 227 pm
Electron configuration: [Xe] 4f¹³ 6s²
Electrons per shell: 2, 8, 18, 31, 8, 2
1^st ionization energy: 6.184 eV
Electronegativity (Pauling): 1.25
Density: 9.32 g/cm³
Crystal structure: HCP

×

70

Yb

Ytterbium

173.05

Atomic number: 70
Standard state: Solid
Period: 6
Block: f
Atomic mass: 173.05 u
Atomic radius (van der Waals): 242 pm
Electron configuration: [Xe] 4f¹⁴ 6s²
Electrons per shell: 2, 8, 18, 32, 8, 2
1^st ionization energy: 6.254 eV
Density: 6.57 g/cm³
Crystal structure: FCC

×

71

Lu

Lutetium

174.97

Atomic number: 71
Standard state: Solid
Period: 6
Block: f
Atomic mass: 174.97 u
Atomic radius (van der Waals): 221 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹ 6s²
Electrons per shell: 2, 8, 18, 32, 9, 2
1^st ionization energy: 5.426 eV
Electronegativity (Pauling): 1.27
Density: 9.84 g/cm³
Crystal structure: HCP

×

72

Hf

Hafnium

178.49

Atomic number: 72
Standard state: Solid
Group: 4
Period: 6
Atomic mass: 178.49 u
Atomic radius (van der Waals): 212 pm
Electron configuration: [Xe] 4f¹⁴ 5d² 6s²
Electrons per shell: 2, 8, 18, 32, 10, 2
1^st ionization energy: 6.825 eV
Electronegativity (Pauling): 1.3
Density: 13.31 g/cm³
Crystal structure: HCP

×

73

Ta

Tantalum

180.95

Atomic number: 73
Standard state: Solid
Group: 5
Period: 6
Atomic mass: 180.95 u
Atomic radius (van der Waals): 217 pm
Electron configuration: [Xe] 4f¹⁴ 5d³ 6s²
Electrons per shell: 2, 8, 18, 32, 11, 2
1^st ionization energy: 7.89 eV
Electronegativity (Pauling): 1.5
Density: 16.65 g/cm³
Crystal structure: BCC

×

74

W

Tungsten

183.84

Atomic number: 74
Standard state: Solid
Group: 6
Period: 6
Atomic mass: 183.84 u
Atomic radius (van der Waals): 210 pm
Electron configuration: [Xe] 4f¹⁴ 5d⁴ 6s²
Electrons per shell: 2, 8, 18, 32, 12, 2
1^st ionization energy: 7.89 eV
Electronegativity (Pauling): 2.36
Density: 19.25 g/cm³
Crystal structure: BCC

×

75

Re

Rhenium

186.21

Atomic number: 75
Standard state: Solid
Group: 7
Period: 6
Atomic mass: 186.21 u
Atomic radius (van der Waals): 217 pm
Electron configuration: [Xe] 4f¹⁴ 5d⁵ 6s²
Electrons per shell: 2, 8, 18, 32, 13, 2
1^st ionization energy: 7.88 eV
Electronegativity (Pauling): 1.9
Density: 21.02 g/cm³
Crystal structure: HCP

×

76

Os

Osmium

190.23

Atomic number: 76
Standard state: Solid
Group: 8
Period: 6
Atomic mass: 190.23 u
Atomic radius (van der Waals): 216 pm
Electron configuration: [Xe] 4f¹⁴ 5d⁶ 6s²
Electrons per shell: 2, 8, 18, 32, 14, 2
1^st ionization energy: 8.7 eV
Electronegativity (Pauling): 2.2
Density: 22.6 g/cm³
Crystal structure: HCP

×

77

Ir

Iridium

192.22

Atomic number: 77
Standard state: Solid
Group: 9
Period: 6
Atomic mass: 192.22 u
Atomic radius (van der Waals): 202 pm
Electron configuration: [Xe] 4f¹⁴ 5d⁷ 6s²
Electrons per shell: 2, 8, 18, 32, 15, 2
1^st ionization energy: 9.1 eV
Electronegativity (Pauling): 2.2
Density: 22.56 g/cm³
Crystal structure: FCC

×

78

Pt

Platinum

195.08

Atomic number: 78
Standard state: Solid
Group: 10
Period: 6
Atomic mass: 195.08 u
Atomic radius (van der Waals): 209 pm
Electron configuration: [Xe] 4f¹⁴ 5d⁹ 6s¹
Electrons per shell: 2, 8, 18, 32, 17, 1
1^st ionization energy: 9 eV
Electronegativity (Pauling): 2.28
Density: 21.45 g/cm³
Crystal structure: FCC

×

79

Au

Gold

196.97

Atomic number: 79
Standard state: Solid
Group: 11
Period: 6
Atomic mass: 196.97 u
Atomic radius (van der Waals): 166 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s¹
Electrons per shell: 2, 8, 18, 32, 18, 1
1^st ionization energy: 9.226 eV
Electronegativity (Pauling): 2.54
Density: 19.3 g/cm³
Crystal structure: FCC

×

80

Hg

Mercury

200.59

Atomic number: 80
Standard state: Liquid
Group: 12
Period: 6
Atomic mass: 200.59 u
Atomic radius (van der Waals): 209 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s²
Electrons per shell: 2, 8, 18, 32, 18, 2
1^st ionization energy: 10.438 eV
Electronegativity (Pauling): 2
Density: 13.53 g/cm³
Crystal structure: Rhombohedral

×

81

Tl

Thallium

204.38

Atomic number: 81
Standard state: Solid
Group: 13
Period: 6
Atomic mass: 204.38 u
Atomic radius (van der Waals): 196 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
Electrons per shell: 2, 8, 18, 32, 18, 3
1^st ionization energy: 6.108 eV
Electronegativity (Pauling): 1.62
Density: 11.85 g/cm³
Crystal structure: HCP

×

82

Pb

Lead

207.2

Atomic number: 82
Standard state: Solid
Group: 14
Period: 6
Atomic mass: 207.2 u
Atomic radius (van der Waals): 202 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
Electrons per shell: 2, 8, 18, 32, 18, 4
1^st ionization energy: 7.417 eV
Electronegativity (Pauling): 2.33
Density: 11.34 g/cm³
Crystal structure: FCC

×

83

Bi

Bismuth

208.98

Atomic number: 83
Standard state: Solid
Group: 15
Period: 6
Atomic mass: 208.98 u
Atomic radius (van der Waals): 207 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Electrons per shell: 2, 8, 18, 32, 18, 5
1^st ionization energy: 7.289 eV
Electronegativity (Pauling): 2.02
Density: 9.78 g/cm³
Crystal structure: Rhombohedral

×

84

Po

Polonium

(209)

Atomic number: 84
Standard state: Solid
Group: 16
Period: 6
Mass number (of most stable isotope): 209 u
Atomic radius (van der Waals): 197 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
Electrons per shell: 2, 8, 18, 32, 18, 6
1^st ionization energy: 8.417 eV
Electronegativity (Pauling): 2
Density: 9.16 g/cm³
Crystal structure: Simple Cubic (SC)

×

85

At

Astatine

(210)

Atomic number: 85
Standard state: Solid
Group: 17
Period: 6
Block: p
Mass number (of most stable isotope): 210 u
Atomic radius (van der Waals): 202 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵
Electrons per shell: 2, 8, 18, 32, 18, 7
1^st ionization energy: 9.5 eV
Electronegativity (Pauling): 2.2
Crystal structure: FCC

×

86

Rn

Radon

(222)

Atomic number: 86
Standard state: Gas
Group: 18
Period: 6
Block: p
Mass number (of most stable isotope): 222 u
Atomic radius (van der Waals): 220 pm
Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶
Electrons per shell: 2, 8, 18, 32, 18, 8
1^st ionization energy: 10.745 eV
Crystal structure: FCC

×

87

Fr

Francium

(223)

Atomic number: 87
Standard state: Solid
Group: 1
Period: 7
Mass number (of most stable isotope): 223 u
Atomic radius (van der Waals): 348 pm
Electron configuration: [Rn] 7s¹
Electrons per shell: 2, 8, 18, 32, 18, 8, 1
1^st ionization energy: 3.9 eV
Electronegativity (Pauling): 0.7
Density: 2.48 g/cm³
Crystal structure: BCC

×

88

Ra

Radium

(226)

Atomic number: 88
Standard state: Solid
Group: 2
Period: 7
Mass number (of most stable isotope): 226 u
Atomic radius (van der Waals): 283 pm
Electron configuration: [Rn] 7s²
Electrons per shell: 2, 8, 18, 32, 18, 8, 2
1^st ionization energy: 5.27 eV
Electronegativity (Pauling): 0.9
Density: 5 g/cm³
Crystal structure: BCC

×

89

Ac

Actinium

(227)

Atomic number: 89
Standard state: Solid
Period: 7
Block: d
Mass number (of most stable isotope): 227 u
Atomic radius (van der Waals): 260 pm
Electron configuration: [Rn] 6d¹ 7s²
Electrons per shell: 2, 8, 18, 32, 18, 9, 2
1^st ionization energy: 5.17 eV
Electronegativity (Pauling): 1.1
Density: 10.07 g/cm³
Crystal structure: FCC

×

90

Th

Thorium

232.04

Atomic number: 90
Standard state: Solid
Period: 7
Block: f
Atomic mass: 232.04 u
Atomic radius (van der Waals): 237 pm
Electron configuration: [Rn] 6d² 7s²
Electrons per shell: 2, 8, 18, 32, 18, 10, 2
1^st ionization energy: 6.08 eV
Electronegativity (Pauling): 1.3
Density: 11.725 g/cm³
Crystal structure: FCC

×

91

Pa

Protactinium

231.04

Atomic number: 91
Standard state: Solid
Period: 7
Block: f
Atomic mass: 231.04 u
Atomic radius (van der Waals): 243 pm
Electron configuration: [Rn] 5f² 6d¹ 7s²
Electrons per shell: 2, 8, 18, 32, 20, 9, 2
1^st ionization energy: 5.89 eV
Electronegativity (Pauling): 1.5
Density: 15.37 g/cm³
Crystal structure: Tetragonal

×

92

U

Uranium

238.03

Atomic number: 92
Standard state: Solid
Period: 7
Block: f
Atomic mass: 238.03 u
Atomic radius (van der Waals): 240 pm
Electron configuration: [Rn] 5f³ 6d¹ 7s²
Electrons per shell: 2, 8, 18, 32, 21, 9, 2
1^st ionization energy: 6.194 eV
Electronegativity (Pauling): 1.38
Density: 19.05 g/cm³
Crystal structure: Orthorhombic

×

93

Np

Neptunium

237

Atomic number: 93
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 237 u
Atomic radius (van der Waals): 237 pm
Electron configuration: [Rn] 5f⁴ 6d¹ 7s²
Electrons per shell: 2, 8, 18, 32, 22, 9, 2
1^st ionization energy: 6.266 eV
Electronegativity (Pauling): 1.38
Density: 20.45 g/cm³
Crystal structure: Orthorhombic

×

94

Pu

Plutonium

244

Atomic number: 94
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 244 u
Atomic radius (van der Waals): 243 pm
Electron configuration: [Rn] 5f⁶ 7s²
Electrons per shell: 2, 8, 18, 32, 24, 8, 2
1^st ionization energy: 6.06 eV
Electronegativity (Pauling): 1.28
Density: 19.82 g/cm³
Crystal structure: Monoclinic

×

95

Am

Americium

243

Atomic number: 95
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 243 u
Atomic radius (van der Waals): 244 pm
Electron configuration: [Rn] 5f⁷ 7s²
Electrons per shell: 2, 8, 18, 32, 25, 8, 2
1^st ionization energy: 5.993 eV
Density: 13.67 g/cm³
Crystal structure: DHCP

×

96

Cm

Curium

247

Atomic number: 96
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 247 u
Atomic radius (van der Waals): 245 pm
Electron configuration: [Rn] 5f⁷ 6d¹ 7s²
Electrons per shell: 2, 8, 18, 32, 25, 9, 2
1^st ionization energy: 6.02 eV
Electronegativity (Pauling): 1.3
Density: 13.51 g/cm³
Crystal structure: DHCP

×

97

Bk

Berkelium

247

Atomic number: 97
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 247 u
Atomic radius (van der Waals): 244 pm
Electron configuration: [Rn] 5f⁹ 7s²
Electrons per shell: 2, 8, 18, 32, 27, 8, 2
1^st ionization energy: 6.23 eV
Density: 14.79 g/cm³
Crystal structure: DHCP

×

98

Cf

Californium

251

Atomic number: 98
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 251 u
Atomic radius (van der Waals): 245 pm
Electron configuration: [Rn] 5f¹⁰ 7s²
Electrons per shell: 2, 8, 18, 32, 28, 8, 2
1^st ionization energy: 6.30 eV
Density: 15.1 g/cm³
Crystal structure: DHCP

×

99

Es

Einsteinium

252

Atomic number: 99
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 252 u
Atomic radius (van der Waals): 245 pm
Electron configuration: [Rn] 5f¹¹ 7s²
Electrons per shell: 2, 8, 18, 32, 29, 8, 2
1^st ionization energy: 6.42 eV
Electronegativity (Pauling): 1.3
Density: 8.84 g/cm³
Crystal structure: FCC

×

100

Fm

Fermium

257

Atomic number: 100
Standard state: Solid (predicted)
Period: 7
Block: f
Mass number (of most stable isotope): 257 u
Electron configuration: [Rn] 5f¹² 7s²
Electrons per shell: 2, 8, 18, 32, 30, 8, 2
1^st ionization energy: 6.50 eV
Electronegativity (Pauling): 1.3
Density: 9.7 g/cm³
Crystal structure: FCC

×

101

Md

Mendelevium

258

Atomic number: 101
Standard state: Solid (predicted)
Period: 7
Block: f
Mass number (of most stable isotope): 258 u
Electron configuration: [Rn] 5f¹³ 7s²
Electrons per shell: 2, 8, 18, 32, 31, 8, 2
1^st ionization energy: 6.58 eV
Electronegativity (Pauling): 1.3
Density: 10.3 g/cm³
Crystal structure: FCC

×

102

No

Nobelium

259

Atomic number: 102
Standard state: Solid (predicted)
Period: 7
Block: f
Mass number (of most stable isotope): 259 u
Electron configuration: [Rn] 5f¹⁴ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 8, 2
1^st ionization energy: 6.65 eV
Density: 9.9 g/cm³
Crystal structure: FCC

×

103

Lr

Lawrencium

266

Atomic number: 103
Standard state: Solid
Period: 7
Block: f
Mass number (of most stable isotope): 266 u
Electron configuration: [Rn] 5f¹⁴ 7s² 7p¹
Electrons per shell: 2, 8, 18, 32, 32, 9, 2
Electronegativity (Pauling): 1.3
Density: 14.4 g/cm³
Crystal structure: HCP

×

104

Rf

Rutherfordium

267

Atomic number: 104
Standard state: Solid (predicted)
Group: 4
Period: 7
Block: d
Mass number (of most stable isotope): 267 u
Electron configuration: [Rn] 5f¹⁴ 6d² 7s²
Electrons per shell: 2, 8, 18, 32, 32, 10, 2
Density: 17 g/cm³
Crystal structure: HCP

×

105

Db

Dubnium

268

Atomic number: 105
Standard state: Solid (predicted)
Group: 5
Period: 7
Block: d
Mass number (of most stable isotope): 268 u
Electron configuration: [Rn] 5f¹⁴ 6d³ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 11, 2
Density: 21.6 g/cm³
Crystal structure: BCC

×

106

Sg

Seaborgium

269

Atomic number: 106
Standard state: Solid (predicted)
Group: 6
Period: 7
Block: d
Mass number (of most stable isotope): 269 u
Electron configuration: [Rn] 5f¹⁴ 6d⁴ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 12, 2
Density: 23 - 24 g/cm³
Crystal structure: BCC

×

107

Bh

Bohrium

270

Atomic number: 107
Group: 7
Period: 7
Block: d
Mass number (of most stable isotope): 270 u
Electron configuration: [Rn] 5f¹⁴ 6d⁵ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 13, 2
Density: 26 - 27 g/cm³
Crystal structure: HCP

×

108

Hs

Hassium

277

Atomic number: 108
Standard state: Solid (predicted)
Group: 8
Period: 7
Block: d
Mass number (of most stable isotope): 277 u
Electron configuration: [Rn] 5f¹⁴ 6d⁶ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 14, 2
Density: 27 - 29 g/cm³
Crystal structure: HCP

×

109

Mt

Meitnerium

278

Atomic number: 109
Standard state: Solid (predicted)
Group: 9
Period: 7
Block: d
Mass number (of most stable isotope): 278 u
Electron configuration: [Rn] 5f¹⁴ 6d⁷ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 15, 2
Density: 27 - 28 g/cm³
Crystal structure: FCC

×

110

Ds

Darmstadtium

281

Atomic number: 110
Standard state: Solid (predicted)
Group: 10
Period: 7
Block: d
Mass number (of most stable isotope): 281 u
Electron configuration: [Rn] 5f¹⁴ 6d⁸ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 16, 2
Density: 26 - 27 g/cm³
Crystal structure: BCC

×

111

Rg

Roentgenium

282

Atomic number: 111
Standard state: Solid (predicted)
Group: 11
Period: 7
Block: d
Mass number (of most stable isotope): 282 u
Electron configuration: [Rn] 5f¹⁴ 6d⁹ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 17, 2
Density: 22 - 24 g/cm³
Crystal structure: BCC

×

112

Cn

Copernicium

285

Atomic number: 112
Standard state: Liquid (predicted)
Group: 12
Period: 7
Block: d
Mass number (of most stable isotope): 285 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 18, 2
Density: 14 g/cm³
Crystal structure: BCC

×

113

Nh

Nihonium

286

Atomic number: 113
Standard state: Solid (predicted)
Group: 13
Period: 7
Block: p
Mass number (of most stable isotope): 286 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Electrons per shell: 2, 8, 18, 32, 32, 18, 3
Density: 16 g/cm³
Crystal structure: HCP

×

114

Fl

Flerovium

289

Atomic number: 114
Standard state: Liquid (predicted)
Group: 14
Period: 7
Block: p
Mass number (of most stable isotope): 289 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
Electrons per shell: 2, 8, 18, 32, 32, 18, 4
Density: 9.93 g/cm³
Crystal structure: FCC

×

115

Mc

Moscovium

290

Atomic number: 115
Standard state: Solid (predicted)
Group: 15
Period: 7
Block: p
Protons: 115
Neutrons: 115
Mass number (of most stable isotope): 290 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³
Electrons per shell: 2, 8, 18, 32, 32, 18, 5
Density: 13.5 g/cm³

×

116

Lv

Livermorium

293

Atomic number: 116
Standard state: Solid (predicted)
Group: 16
Period: 7
Block: p
Protons: 116
Neutrons: 116
Mass number (of most stable isotope): 293 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴
Electrons per shell: 2, 8, 18, 32, 32, 18, 6
Density: 12.9 g/cm³

×

117

Ts

Tennessine

294

Atomic number: 117
Standard state: Solid (predicted)
Group: 17
Period: 7
Block: p
Protons: 117
Neutrons: 117
Mass number (of most stable isotope): 294 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Electrons per shell: 2, 8, 18, 32, 32, 18, 7
Density: 7.1 - 7.3 g/cm³

×

118

Og

Oganesson

294

Atomic number: 118
Standard state: Gas (predicted)
Group: 18
Period: 7
Block: p
Protons: 118
Neutrons: 118
Mass number (of most stable isotope): 294 u
Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
Electrons per shell: 2, 8, 18, 32, 32, 18, 8
Density: 6.6 - 7.4 g/cm³