Neodymium |
Symbol | Nd |
---|---|
Latin name | Neodymium |
Atomic number | 60 |
Period | 6 |
Element category | Inner transition elements |
Relative atomic mass | 144.24 |
Group | III.B |
Electronegativity | 1.2 |
Oxidation numbers | 3 |
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f4 5d0 6s2 |
Density [g/cm3] | 7.003 |
State | Solid |
Melting point [°C] | 1021 |
Boiling point [°C] | 3068 |
Atomic radius [pm] | 206 |
Thermal conductivity [W m-1K-1] | 16.5 |
Heat capacity [J K-1g-1] | 0.19 |
Discovery | 1885 |
Vickers hardness [MPa] | 343 |
Brinell hardness [MPa] | 265 |
Young's modulus [GPa] | 41 |
Electrical conductivity [S m-1] | 1.6 · 106 |
Shear modulus [GPa] | 16 |
1.st ionization energy [eV] | 5.525 |
2.nd ionization energy [eV] | 10.727 |
3.rd ionization energy [eV] | 22.076 |
Stable isotopes | 7 |
Unstable isotopes | 10 |