Neodymium (Nd)
Neodymium
Neodymium (Nd) is a lanthanide in period 6. Its relative atomic mass is 144.24 and the molar mass of the atom is 144.24 g/mol.
Atomic number 60
Atomic mass 144.24
Molar mass 144.24 g/mol
Category Lanthanide Solid
Properties of neodymium
| Atomic number | 60 |
|---|---|
| Symbol | Nd |
| Latin name | Neodymium |
| Relative atomic mass | 144.24 |
| Molar mass | 144.24 g/mol |
| Group, period, block | —, 6, f |
| Category | Lanthanide |
| State at 20 °C | Solid |
| Electron configuration | [Xe] 4f⁴ 6s² |
| Electronegativity (Pauling) | 1.14 |
| Atomic radius | 185 pm |
Electron configuration of neodymium
Electrons per shell
K2L8M18N22O8P2
Full notation
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f⁴ 5s² 5p⁶ 6s²
Noble-gas notation
60 protons · 60 electrons[Xe] 4f⁴ 6s²
Formula and compounds of neodymium
Simple substanceNdneodymiumMolar mass of Nd: 144.24 g/mol
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Frequently asked questions
The relative atomic mass of neodymium is 144.24, so the molar mass of the atom is 144.24 g/mol.
Full: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f⁴ 5s² 5p⁶ 6s². Noble-gas notation: [Xe] 4f⁴ 6s².