Gadolinium
Latin name | Gadolinium |
English name | Gadolinium |
chemical symbol | Gd |
atomic number | 64 |
relative atomic mass | 157,25 |
period | 6 |
group | III.B |
classification | lanthanides |
discovery year | 1880 |
discoverer | Jean de Marignac |
melting point [°C] | 1313 |
boiling point [°C] | 3273 |
density [g cm-3] | 7,895 |
density at melting point [g cm-3] | 7,4 |
electronegativity [Pauling] | 1,2 |
oxidation states | III |
electron configuration | [Xe]4f7 5d1 6s2 |
atomic radius [pm] | 233 |
covalent radius [pm] | 196 |
specific heat [J g-1K-1] | 0,23 |
heat of fusion [kJ mol-1] | 10,05 |
thermal conductivity [W m-1 K-1] | 11 |
el. conductivity [S m-1] | 7,7.105 |
1. ionizing potential [eV] | 6,15 |
2. ionizing potential [eV] | 12,095 |
3. ionizing potential [eV] | 20,635 |
Vickers hardness [MPa] | 570 |
Brinell hardness [MPa] | 180 |
shear modulus [GPa] | 22 |
Young's modulus [GPa] | 55 |
Curie point [K] | 292 |
state at normal conditions | solid |
europium ← gadolinium → terbium