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 |
|---|---|---|---|---|---|---|---|
| 70 | Yb | ytterbium | 175 | 222 | no data | no data | no data |
| 71 | Lu | lutetium | 175 | 217 | no data | 160 | 131 |
| 72 | Hf | hafnium | 155 | 208 | no data | 150 | 122 |
| 73 | Ta | tantalum | 145 | 200 | no data | 138 | 119 |
| 74 | W | tungsten | 135 | 193 | no data | 146 | 115 |
| 75 | Re | rhenium | 135 | 188 | no data | 159 | 110 |
| 76 | Os | osmium | 130 | 185 | no data | 128 | 109 |
| 77 | Ir | iridium | 135 | 180 | no data | 137 | 107 |
| 78 | Pt | platinum | 135 | 177 | 175 | 128 | 110 |
| 79 | Au | gold | 135 | 174 | 166 | 144 | 123 |
| 80 | Hg | mercury | 150 | 171 | 155 | 149 | no data |
| 81 | Tl | thallium | 190 | 156 | 196 | 148 | 150 |