Atomic number:	23		Atomic weight:	50.9415
Shells:	2,8,11,2		Orbitals:	[Ar] 3d3 4s2
Melting point:	1090°C ±10°C		Boiling point:	3407°C
Covalent radius:	1.22	Å	Atomic volume:	8.78	cm³/mol
Atomic radius:	1.92	Å	Ionic radius:	.54 (+5)	Å
Electronegativity:	1.63		Oxidation states:	(5),4,3,2
1st ionization pot.:	6.7463	V	2nd ionization pot.:	14.65	V
3rd ionization pot.:	29.31	V	Specific heat:	0.49	J/gK
Heat of fusion:	20.90	kJ/mol	Heat of vapor.:	0.452	kJ/mol
Thermal conduct.:	0.307	W/cmK	Electrical conduct.:	0.0489	10^6/cm ohm
Density:	5.8	g/cm³	Valence:	2,3,4,5