Comparison of Titanium and Cobalt

Attribute	Cobalt ×	Titanium ×
Atomic mass (u)	58.93319	47.867
Standard state	Solid	Solid
Oxidation states	+2 +3	+2 +3 +4
Electron configuration	[Ar]4s²3d⁷	[Ar]4s²3d²
Atomic radius (van der waals) (pm)	192	187
Electronegativity (pauling scale)	1.88	1.54
Electron affinity (eV)	0.661	0.079
Ionization energy (eV)	7.881	6.828
Boiling point (K)	3200	3560
Melting point (K)	1768	1941
Density (g/cm³)	8.86	4.5
Atomic number	27	22
Group name	Transition metal	Transition metal
Discovered (year)	1735	1791
Symbol	Co	Ti