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