Atomic number:	25		Atomic weight:	94.93805
Shells:	2,8,13,2		Orbitals:	[Ar] 3d5 4s2
Melting point:	1244°C		Boiling point:	2061°C
Covalent radius:	1.17	Å	Atomic volume:	7.39	cm³/mol
Atomic radius:	1.79	Å	Ionic radius:	.67 (+2)	Å
Electronegativity:	1.55		Oxidation states:	7,6,4,(2),3
1st ionization pot.:	7.4340	V	2nd ionization pot.:	15.64	V
3rd ionization pot.:	33.667	V	Specific heat:	0.48	J/gK
Heat of fusion:	12.050	kJ/mol	Heat of vapor.:	226.0	kJ/mol
Thermal conduct.:	0.0782	W/cmK	Electrical conduct.:	0.00695	10^6/cm ohm
Density:	7.43	g/cm³	Valence:	1,2,3,4,6,7