Co	Z =  27	◊ ◊ ◊ ◊ ◊	Cobalt
			From the German "Kobold", meaning "evil spirit"
(AM) Atomic Mass	58.9332  amu	♦	Oxidation States	+2, +3
(BP) Boiling Point	2870  °C	♦	(MP) Melting Point	1495  °C
(ρ) Density	8.83  g/cm3	♦	Crystal Structure	Hexagonal
( χ ) Electronegativity	1.8	♦	(AR) Atomic Radius	1.26  Å
Physical State	Solid	♦	(C) Heat Capacity	0.421  J/g °C
Electronic-Config	[Ar]  3d7  4s2	♦	(I1) First Ionization E	758.37  kJ/mol
(ΔHvap) Heat of Vaporization	377  kJ/mol	♦	(ΔHfus) Heat of Fusion	16.06  kJ/mol
Year of Discovery	1751	♦	Location of Discovery	Sweden
(E°) Standard Potential	Co2+⇔ Co (-0.280 V),   Co3+⇔ Co2+ (1.820 V)
Stable isotopes	59Co
Discovered/Synthesized by	Georg Brandt
Natural Source	The mineral/ore cobaltite
Common Uses	Hard strong steel, cutting tools, turbines, magnets, blue glass and ceramics
Other Info	One of the rarest transition metals and an essential ingredient of vitamin B12 Essential ingredient of Vitamin B-12
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