Holmium has an atomic number of 67, meaning each atom contains 67 protons in its nucleus.
The standard atomic weight of holmium is 164.93 u (unified atomic mass units).
Holmium is classified as a lanthanide.
Holmium is a solid at 20 Β°C (68 Β°F).
The melting point of holmium is 1473.85 Β°C / 1747 K.
The boiling point of holmium is 2699.85 Β°C / 2973 K.
The density of holmium is 8.8 g/cmΒ³ (20Β°C).
Holmium has a Pauling electronegativity of 1.23.
The electron configuration of holmium is [Xe] 4f11 6s2.
Holmium commonly exhibits the following oxidation states: +3.
Holmium was discovered in 1878 by Marc Delafontaine and Jacques-Louis Soret.
Holmium is a stable element with no naturally occurring radioactive isotopes.
No known biological role.
Holmium is used for: Magnets; Lasers; Nuclear control materials.