70
Yb
Ytterbium
Lanthanide period 6 f-block discovered: 1878
As a chemical element
Properties of the atom — they do not depend on what substance it is part of.
- Atomic number
- 70
- Atomic mass
- 173.05 a.m.u.
- Electron configuration
- [Xe]6s2 4f14
- Atomic radius
- 242 pm
- Ionization energy
- 6.254 eV
- Oxidation states
- +3, +2
As a simple substance
Properties of the substance these atoms form under ordinary conditions.
- State at 25 °C
- Solid
- Melting point
- 1092 K (818,85 °C)
- Boiling point
- 1469 K (1 195,85 °C)
- Density
- 6.90 g/cm³