Atomic number:	28		Atomic weight:	58.6934
Shells:	2,8,16,2		Orbitals:	[Ar] 3d8 4s2
Melting point:	1453°C		Boiling point:	2913°C
Covalent radius:	1.15	Å	Atomic volume:	6.59	cm³/mol
Atomic radius:	1.62	Å	Ionic radius:	.69 (+2)	Å
Electronegativity:	1.91		Oxidation states:	(2),3
1st ionization pot.:	7.6398	V	2nd ionization pot.:	18.168	V
3rd ionization pot.:	35.17	V	Specific heat:	0.44	J/gK
Heat of fusion:	17.470	kJ/mol	Heat of vapor.:	370.40	kJ/mol
Thermal conduct.:	0.907	W/cmK	Electrical conduct.:	0.143	10^6/cm ohm
Density:	8.90	g/cm³	Valence:	0,1,2,3