Erbium has an atomic number of 68, meaning each atom contains 68 protons in its nucleus.
The standard atomic weight of erbium is 167.26 u (unified atomic mass units).
Erbium is classified as a lanthanide.
Erbium is a solid at 20 Β°C (68 Β°F).
The melting point of erbium is 1528.85 Β°C / 1802 K.
The boiling point of erbium is 2867.85 Β°C / 3141 K.
The density of erbium is 9.07 g/cmΒ³ (20Β°C).
Erbium has a Pauling electronegativity of 1.24.
The electron configuration of erbium is [Xe] 4f12 6s2.
Erbium commonly exhibits the following oxidation states: +3.
Erbium was discovered in 1843 by Carl Gustav Mosander.
Erbium is a stable element with no naturally occurring radioactive isotopes.
No known biological role.
Erbium is used for: Fiber-optic amplifiers; Lasers; Glass coloring.