Atomic radii of the elements (data page) Atomic radii Atomic radii

| number_ | symbol | name_ | empirical_ | Calculated | van_der_Waals | Covalent_single_bond | Covalent_triple_bond |
|---|---|---|---|---|---|---|---|
| 24 | Cr | chromium | 140 | 166 | no data | 127 | 103 |
| 25 | Mn | manganese | 140 | 161 | no data | 139 | 103 |
| 26 | Fe | iron | 140 | 156 | no data | 125 | 102 |
| 27 | Co | cobalt | 135 | 152 | no data | 126 | 96 |
| 28 | Ni | nickel | 135 | 149 | 163 | 121 | 101 |
| 29 | Cu | copper | 135 | 145 | 140 | 138 | 120 |
| 30 | Zn | zinc | 135 | 142 | 139 | 131 | no data |
| 31 | Ga | gallium | 130 | 136 | 187 | 126 | 121 |
| 32 | Ge | germanium | 125 | 125 | 211 a | 122 | 114 |
| 33 | As | arsenic | 115 | 114 | 185 | 119 | 106 |
| 34 | Se | selenium | 115 | 103 | 190 | 116 | 107 |
| 35 | Br | bromine | 115 | 94 | 185 | 114 | 110 |