Atomic symbol - Yb
Atomic weight - 173.04
Atomic number - 70
Electron configuration - 2-8-18-32-8-2
Oxidation states - +2, +3
State of matter - solid
Heavy metal-brittle
Discovered in 1878 by J.-C.-G. de Marignac
Boils at 1193 .C, melts at 824 .C

Notes:
Ytterbium has few commercial uses. It is soft and silvery-white in color. It
has two alltropic forms.