Symbol
Ho
Atomic Number
67
Atomic Mass
164.93033
Protons
67
Neutrons
97
Electrons
67
Type
Lanthanide
Isotopes
Holmium-163
Discovery Year
1878
Discovered By
Jacques-Louis Soret
Group
3
Period
6
Boiling Point
2700°C
Melting Point
1474°C
Electron Configuration
[Xe] 6s² 4f¹¹
Density (g/cm³)
8.79
Crystal Structure
Hexagonal
Magnetism
Ferromagnetic
Abundance in Earth's Crust
0.0004%
Phase at Room Temperature
Solid