Atomic number:	66		Atomic weight:	162.50
Shells:	2,8,18,28,8,2		Orbitals:	[Xe] 4f10 6s2
Melting point:	1412°C		Boiling point:	2567°C
Covalent radius:	1.59	Å	Atomic volume:	19.0	cm³/mol
Atomic radius:	2.49	Å	Ionic radius:	1.03 (+3)	Å
Electronegativity:	1.22		Oxidation states:
1st ionization pot.:	5.9389	V	2nd ionization pot.:	11.67	V
3rd ionization pot.:	22.802	V	Specific heat:	0.17	J/gK
Heat of fusion:	11.060	kJ/mol	Heat of vapor.:	230.0	kJ/mol
Thermal conduct.:	0.107	W/cmK	Electrical conduct.:	0.0108	10^6/cm ohm
Density:	8.536	g/cm³	Valence:	3