Neodymium (Nd)
Neodymium (Nd) is element 60 of the periodic table, a lanthanide in period 6, in the f-block. Its standard atomic weight is 144.242, so one mole of neodymium atoms has a mass of 144.242 g. At room temperature it is a solid; it melts at 1020.85 °C and boils at 3073.85 °C.
| Atomic number | 60 |
|---|---|
| Symbol | Nd |
| Standard atomic weight | 144.242 |
| Molar mass | 144.242 g/mol |
| Category | Lanthanide |
| Group | f-block (lanthanide series) |
| Period | 6 |
| Block | f-block |
| Electron configuration | [Xe] 6s2 4f4 |
| Oxidation states | +3 |
| Electronegativity (Pauling) | 1.14 |
| Atomic radius (van der Waals) | 229 pm |
| First ionisation energy | 5.525 eV (533.1 kJ/mol) |
| Electron affinity | — |
| State at room temperature | Solid |
| Melting point | 1294 K (1020.85 °C) |
| Boiling point | 3347 K (3073.85 °C) |
| Density | 7.01 g/cm³ |
| Discovered | 1885 |
Lanthanides
Calculate with Neodymium
Atomic weight: IUPAC CIAAW standard atomic weight. Other properties: PubChem (U.S. National Library of Medicine, public domain). Values such as melting point and radius depend on how they were measured; check a data book for precise work.