Ytterbium
| Latin name | Ytterbium |
| English name | Ytterbium |
| chemical symbol | Yb |
| atomic number | 70 |
| relative atomic mass | 173,04 |
| period | 6 |
| group | III.B |
| classification | lanthanides |
| discovery year | 1878 |
| discoverer | Marignac |
| melting point [°C] | 819 |
| boiling point [°C] | 1196 |
| density [g cm-3] | 6,98 |
| density at melting point [g cm-3] | 6,21 |
| electronegativity [Pauling] | 1,25 |
| oxidation states | II, III |
| electron configuration | [Xe]4f14 6s2 |
| atomic radius [pm] | 222 |
| specific heat [J g-1K-1] | 0,15 |
| heat of fusion [kJ mol-1] | 7,66 |
| thermal conductivity [W m-1 K-1] | 39 |
| el. conductivity [S m-1] | 3,6.106 |
| 1. ionizing potential [eV] | 6,2542 |
| 2. ionizing potential [eV] | 12,188 |
| 3. ionizing potential [eV] | 25,03 |
| Vickers hardness [MPa] | 206 |
| Brinell hardness [MPa] | 343 |
| shear modulus [GPa] | 9,9 |
| Young's modulus [GPa] | 24 |
| state at normal conditions | solid |
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