Ytterbium has an atomic number of 70, meaning each atom contains 70 protons in its nucleus.
The standard atomic weight of ytterbium is 173.05 u (unified atomic mass units).
Ytterbium is classified as a lanthanide.
Ytterbium is a solid at 20 Β°C (68 Β°F).
The melting point of ytterbium is 823.85 Β°C / 1097 K.
The boiling point of ytterbium is 1195.85 Β°C / 1469 K.
The density of ytterbium is 6.9 g/cmΒ³ (20Β°C).
The electron configuration of ytterbium is [Xe] 4f14 6s2.
Ytterbium commonly exhibits the following oxidation states: +2, +3.
Ytterbium was discovered in 1878 by Jean Charles Galissard de Marignac.
Ytterbium is a stable element with no naturally occurring radioactive isotopes.
No known biological role.
Ytterbium is used for: Atomic clocks; Lasers; Stress gauges; Research.