60 Nd 144.242
Neodymium
lanthanide
Properties
- Atomic number
- 60
- Atomic mass
- 144.242 u
- Category
- lanthanide
- Group
- f-block
- Period
- 6
- Block
- f-block
- State (room temp)
- Solid
- Outer-shell electrons
- 2
- Electronegativity
- 1.14 (Pauling)
- Density
- 7.01 g/cm³
- Melting point
- 1023.85 °C
- Boiling point
- 3073.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f⁴
Noble-gas shorthand: [Xe] 4f⁴ 6s²
Electrons per shell: 2, 8, 18, 22, 8, 2 — that's 2 in the outermost shell.
About Neodymium
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.
- Discovered by Carl Auer von Welsbach
- Appearance: silvery white
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.