Ytterbium was discovered by the Swiss chemist Jean Charles Galissard de Marignac, in 1878.
Name: Ytterbium
Symbol: Yb
Atomic number: 70
Atomic weight: 173.05
State: solid
Group, period, block: n/a, 6, f
Color: silvery white
Classification: lanthanide
Electron configuration: 4f14 6s2
2,8,18,32,8,2
Physical properties
Density: 6.90 g/cm-3
Melting point: 1097 K,824 °C,1515 °F
Boiling point: 1469 K,1196 °C,2185 °F
Atomic properties
Oxidation states: 3, 2, 1
Electronegativity: 1.1 (Pauling scale)
Ionization energies: 1st: 603.4 kJ·mol-1
Covalent radius: 187±8 pm
Van der Waals radius:no data
- Yb
Electron Configuration
Isotopes
There are seven naturally occurring isotopes of ytterbium exist, 168Yb, 170Yb, 171Yb, 172Yb, 173Yb, 174Yb, and 176Yb. About 31.83% of the ytterbium in nature is 174Yb.