Atomic symbol - Co
Atomic weight - 58.93320
Atomic number - 27
Electron configuration - 2-8-15-2
Oxidation states - +2, +3
State of matter - solid
Heavy metal-ductile
Discovered in 1735 by Georg Brandt
Boils at 2908 .C, melts at 1495 .C

Notes:
Cobalt is a silvery metal with a bluish tint. Alloyed with steel, it is used
as permanent magnets. Cobalt occurs mainly as smalite. Cobalt compounds can
be used as a catalist to speed up reactions.