Co
COBALT
Definition From 'cobald' or evil spirit.its radioactive isotopes is used to treat cancer.
Discovery 1735 by George brandt of sweden
Uses razor blades, jet turbines
Group of Elements 58.933195
Atomic Weight +2,3
Oxidation State 1495
Melting Point 2870
Boiling Point 8.83
Density 1.8 g/cm3
Electronegativity