Atomic number:	27		Atomic weight:	58.93320
Shells:	2,8,15,2		Orbitals:	[Ar] 3d7 4s2
Melting point:	1495°C		Boiling point:	2927°C
Covalent radius:	1.16	Å	Atomic volume:	6.7	cm³/mol
Atomic radius:	1.67	Å	Ionic radius:	.65 (+2)	Å
Electronegativity:	1.88		Oxidation states:	(2),3
1st ionization pot.:	7.8810	V	2nd ionization pot.:	17.06	V
3rd ionization pot.:	33.50	V	Specific heat:	0.42	J/gK
Heat of fusion:	16.190	kJ/mol	Heat of vapor.:	376.50	kJ/mol
Thermal conduct.:	1.00	W/cmK	Electrical conduct.:	0.172	10^6/cm ohm
Density:	8.90	g/cm³	Valence:	2,3