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 |
|---|---|---|---|---|---|---|---|
| 36 | Kr | krypton | no data | 88 | 202 | 110 | 108 |
| 37 | Rb | rubidium | 235 | 265 | 303 a | 211 | no data |
| 38 | Sr | strontium | 200 | 219 | 249 a | 192 | 139 |
| 39 | Y | yttrium | 180 | 212 | no data | 162 | 124 |
| 40 | Zr | zirconium | 155 | 206 | no data | 148 | 121 |
| 41 | Nb | niobium | 145 | 198 | no data | 137 | 116 |
| 42 | Mo | molybdenum | 145 | 190 | no data | 145 | 113 |
| 43 | Tc | technetium | 135 | 183 | no data | 156 | 110 |
| 44 | Ru | ruthenium | 130 | 178 | no data | 126 | 103 |
| 45 | Rh | rhodium | 135 | 173 | no data | 135 | 106 |
| 46 | Pd | palladium | 140 | 169 | 163 | 131 | 112 |
| 47 | Ag | silver | 160 | 165 | 172 | 153 | 137 |