Atomic radius of all the elements are mentioned in the chart below.
(Note: Below mentioned radii are the van der Waals radius in picometer (pm)).
| Atomic number | Elements | Atomic Radius of Elements (pm) |
|---|---|---|
| 1 | Hydrogen (H) | 120 pm |
| 2 | Helium (He) | 140 pm |
| 3 | Lithium (Li) | 182 pm |
| 4 | Beryllium (Be) | 153 pm |
| 5 | Boron (B) | 192 pm |
| 6 | Carbon (C) | 170 pm |
| 7 | Nitrogen (N) | 155 pm |
| 8 | Oxygen (O) | 152 pm |
| 9 | Fluorine (F) | 135 pm |
| 10 | Neon (Ne) | 154 pm |
| 11 | Sodium (Na) | 227 pm |
| 12 | Magnesium (Mg) | 173 pm |
| 13 | Aluminum (Al) | 184 pm |
| 14 | Silicon (Si) | |
| 15 | Phosphorus (P) | 180 pm |
| 16 | Sulfur (S) | 180 pm |
| 17 | Chlorine (Cl) | 175 pm |
| 18 | Argon (Ar) | 188 pm |
| 19 | Potassium (K) | 275 pm |
| 20 | Calcium (Ca) | 231 pm |
| 21 | Scandium (Sc) | 211 pm |
| 22 | Titanium (Ti) | 187 pm |
| 23 | Vanadium (V) | 179 pm |
| 24 | Chromium (Cr) | 189 pm |
| 25 | Manganese (Mn) | 197 pm |
| 26 | Iron (Fe) | 194 pm |
| 27 | Cobalt (Co) | 192 pm |
| 28 | Nickel (Ni) | 163 pm |
| 29 | Copper (Cu) | 140 pm |
| 30 | Zinc (Zn) | 139 pm |
| 31 | Gallium (Ga) | 187 pm |
| 32 | Germanium (Ge) | 211 pm |
| 33 | Arsenic (As) | 185 pm |
| 34 | Selenium (Se) | 190 pm |
| 35 | Bromine (Br) | 183 pm |
| 36 | Krypton (Kr) | 202 pm |
| 37 | Rubidium (Rb) | 303 pm |
| 38 | Strontium (Sr) | 249 pm |
| 39 | Yttrium (Y) | 219 pm |
| 40 | Zirconium (Zr) | 186 pm |
| 41 | Niobium (Nb) | 207 pm |
| 42 | Molybdenum (Mo) | 209 pm |
| 43 | Technetium (Tc) | 209 pm |
| 44 | Ruthenium (Ru) | 207 pm |
| 45 | Rhodium (Rh) | 195 pm |
| 46 | Palladium (Pd) | 202 pm |
| 47 | Silver (Ag) | 172 pm |
| 48 | Cadmium (Cd) | 158 pm |
| 49 | Indium (In) | 193 pm |
| 50 | Tin (Sn) | 217 pm |
| 51 | Antimony (Sb) | 206 pm |
| 52 | Tellurium (Te) | 206 pm |
| 53 | Iodine (I) | 198 pm |
| 54 | Xenon (Xe) | 216 pm |
| 55 | Caesium (Cs) | 343 pm |
| 56 | Barium (Ba) | 268 pm |
| 57 | Lanthanum | 240 pm |
| 58 | Cerium (Ce) | 235 pm |
| 59 | Praseodymium (Pr) | 239 pm |
| 60 | Neodymium (Nd) | 229 pm |
| 61 | Promethium (Pm) | 236 pm |
| 62 | Samarium (Sm) | 229 pm |
| 63 | Europium (Eu) | 233 pm |
| 64 | Gadolinium (Gd) | 237 pm |
| 65 | Terbium (Tb) | 221 pm |
| 66 | Dysprosium (Dy) | 229 pm |
| 67 | Holmium (Ho) | 216 pm |
| 68 | Erbium (Er) | 216 pm |
| 69 | Thulium (Tm) | 227 pm |
| 70 | Ytterbium (Yb) | 242 pm |
| 71 | Lutetium (Lu) | 221 pm |
| 72 | Hafnium (Hf) | 212 pm |
| 73 | Tantalum (Ta) | 217 pm |
| 74 | Tungsten (W) | 210 pm |
| 75 | Rhenium (Re) | 217 pm |
| 76 | Osmium (Os) | 216 pm |
| 77 | Iridium (Ir) | 202 pm |
| 78 | Platinum (Pt) | 209 pm |
| 79 | Gold (Au) | 166 pm |
| 80 | Mercury (Hg) | 209 pm |
| 81 | Thallium (Tl) | 196 pm |
| 82 | Lead (Pb) | 202 pm |
| 83 | Bismuth (Bi) | 207 pm |
| 84 | Polonium (Po) | 197 pm |
| 85 | Astatine (At) | 202 pm |
| 86 | Radon (Rn) | 220 pm |
| 87 | Francium (Fr) | 348 pm |
| 88 | Radium (Ra) | 283 pm |
| 89 | Actinium (Ac) | 260 pm |
| 90 | Thorium (Th) | 237 pm |
| 91 | Protactinium (Pa) | 243 pm |
| 92 | Uranium (U) | 240 pm |
| 93 | Neptunium (Np) | 221 pm |
| 94 | Plutonium (Pu) | 243 pm |
| 95 | Americium (Am) | 244 pm |
| 96 | Curium (Cm) | 245 pm |
| 97 | Berkelium (Bk) | 244 pm |
| 98 | Californium (Cf) | 245 pm |
| 99 | Einsteinium (Es) | 245 pm |
| 100 | Fermium (Fm) | – |
| 101 | Mendelevium (Md) | – |
| 102 | Nobelium (No) | – |
| 103 | Lawrencium (Lr) | – |
| 104 | Rutherfordium (Rf) | – |
| 105 | Dubnium (Db) | – |
| 106 | Seaborgium (Sg) | – |
| 107 | Bohrium (Bh) | – |
| 108 | Hassium (Hs) | – |
| 109 | Meitnerium (Mt) | – |
| 110 | Darmstadtium (Ds) | – |
| 111 | Roentgenium (Rg) | – |
| 112 | Copernicium (Cn) | – |
| 113 | Nihonium (Nh) | – |
| 114 | Flerovium (Fl) | – |
| 115 | Moscovium (Mc) | – |
| 116 | Livermorium (Lv) | – |
| 117 | Tennessine (Ts) | – |
| 118 | Oganesson (Og) | – |
Explore our New Interactive Periodic Table (with Rotating Bohr Models and More)

Details about this Periodic table:
- Access detailed info on all elements: atomic mass, electron configurations, charges, and more.
- View rotating Bohr models for all 118 elements.
- Get a free HD image of the Periodic Table.
Note: For future use, bookmark this Periodic table or visit “PeriodicTableGuide.com”
120 pm
140 pm
182 pm
153 pm
192 pm
170 pm
155 pm
152 pm
135 pm
154 pm
227 pm
173 pm
184 pm
180 pm
180 pm
175 pm
188 pm
275 pm
231 pm
211 pm
187 pm
179 pm
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197 pm
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192 pm
163 pm
140 pm
139 pm