Atomic number:	22		Atomic weight:	47.88
Shells:	2,8,10,2		Orbitals:	[Ar] 3d2 4s2
Melting point:	1668°C ±10°C		Boiling point:	3287°C
Covalent radius:	1.32	Å	Atomic volume:	10.64	cm³/mol
Atomic radius:	2.00	Å	Ionic radius:	.61 (+4)	Å
Electronegativity:	1.54		Oxidation states:	(4),3,2
1st ionization pot.:	6.8282	V	2nd ionization pot.:	13.58	V
3rd ionization pot.:	27.491	V	Specific heat:	0.52	J/gK
Heat of fusion:	15.450	kJ/mol	Heat of vapor.:	421.00	kJ/mol
Thermal conduct.:	0.219	W/cmK	Electrical conduct.:	0.0234	10^6/cm ohm
Density:	4.50	g/cm³	Valence:	2,3,4