Electronic Configuration of First 30 Elements of Periodic table

Electronic configuration of first 30 elements of periodic table is given below.

Atomic number	Element	Electron configuration	Electron shell arrangement
1	Hydrogen (H)	1s1	1
2	Helium (He)	1s2	2
3	Lithium (Li)	[He] 2s1	2, 1
4	Beryllium (Be)	[He] 2s2	2, 2
5	Boron (B)	[He] 2s2 2p1	2, 3
6	Carbon (C)	[He] 2s2 2p2	2, 4
7	Nitrogen (N)	[He] 2s2 2p3	2, 5
8	Oxygen (O)	[He] 2s2 2p4	2, 6
9	Fluorine (F)	[He] 2s2 2p5	2, 7
10	Neon (Ne)	[He] 2s2 2p6	2, 8
11	Sodium (Na)	[Ne] 3s1	2, 8, 1
12	Magnesium (Mg)	[Ne] 3s2	2, 8, 2
13	Aluminum (Al)	[Ne] 3s2 3p1	2, 8, 3
14	Silicon (Si)	[Ne] 3s2 3p2	2, 8, 4
15	Phosphorus (P)	[Ne] 3s2 3p3	2, 8, 5
16	Sulfur (S)	[Ne] 3s2 3p4	2, 8, 6
17	Chlorine (Cl)	[Ne] 3s2 3p5	2, 8, 7
18	Argon (Ar)	[Ne] 3s2 3p6	2, 8, 8
19	Potassium (K)	[Ar] 4s1	2, 8, 8, 1
20	Calcium (Ca)	[Ar] 4s2	2, 8, 8, 2
21	Scandium (Sc)	[Ar] 3d1 4s2	2, 8, 9, 2
22	Titanium (Ti)	[Ar] 3d2 4s2	2, 8, 10, 2
23	Vanadium (V)	[Ar] 3d3 4s2	2, 8, 11, 2
24	Chromium (Cr)	[Ar] 3d5 4s1	2, 8, 13, 1
25	Manganese (Mn)	[Ar] 3d5 4s2	2, 8, 13, 2
26	Iron (Fe)	[Ar] 3d6 4s2	2, 8, 14, 2
27	Cobalt (Co)	[Ar] 3d7 4s2	2, 8, 15, 2
28	Nickel (Ni)	[Ar] 3d8 4s2	2, 8, 16, 2
29	Copper (Cu)	[Ar] 3d10 4s1	2, 8, 18, 1
30	Zinc (Zn)	[Ar] 3d10 4s2	2, 8, 18, 2

Note 1: If you want the electron configuration of all the 118 elements, then visit this article: Electron configuration chart of ALL ELEMENTS (where I have provided the shorthand electron configuration as well as long hand electron configuration of each element).

Note 2: If you want a periodic table with electron configuration labeled on it, then visit this article: Periodic table with Electron Configuration (labeled on it) (From this article, you can also download the HD image of periodic table labeled with Electron configuration, so visit now).

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