60Nd144.24
Neodymium
Lanthanide
Solid at STP
Period 6Block FDiscovered 1885
[Xe]6s2 4f4
Neodymium is a chemical element with symbol Nd and atomic number 60. It is a soft silvery metal that tarnishes in air. Neodymium was discovered in 1885 by the Austrian chemist Carl Auer von Welsbach.
📖 Read more on Wikipedia →Atomic Properties
| Atomic Number | 60 |
| Atomic Mass | 144.24 u |
| Electron Configuration | [Xe]6s2 4f4 |
| Oxidation States | +3 |
| Electronegativity | 1.14 (Pauling) |
| Atomic Radius | 229 pm |
| Ionization Energy | 5.525 eV |
| Block | F |
Physical Properties
| Appearance | silvery white |
| Standard State | Solid |
| Melting Point | 1294 K (1020.9 °C) |
| Boiling Point | 3347 K (3073.8 °C) |
| Density | 7.01 g/cm³ |
| Molar Heat | 27.45 J/(mol·K) |
| CPK Color | #C7FFC7 |
Classification
| Category | Lanthanide |
| Group Block | Lanthanide |
| Period | 6 |
| Block | F |
Discovery
| Year Discovered | 1885 |
| Discovered By | Carl Auer von Welsbach |
| Electron Shells | 2, 8, 18, 22, 8, 2 |