67 Ho
Lanthanide
Holmium
Strongest magnetic moment.
Properties of Holmium
- Atomic number (Z)
- 67
- Symbol
- Ho
- Atomic mass
- 164.93 g/mol
- Category
- Lanthanide
- Group
- 3
- Period
- 6
- Electron configuration
- [Xe] 4f¹¹ 6s²
- Electronegativity (Pauling)
- 1.23
- Atomic radius
- 226 pm
- First ionization energy
- 581 kJ/mol
- Melting point
- 1734 K (1460.8 °C)
- Boiling point
- 2993 K (2719.8 °C)
- Density
- 8.795 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1878