Atomic number:	46		Atomic weight:	106.42
Shells:	2,8,18,18		Orbitals:	[Kr] 4d10
Melting point:	1552°C		Boiling point:	2940°C
Covalent radius:	1.28	Å	Atomic volume:	8.9	cm³/mol
Atomic radius:	1.79	Å	Ionic radius:	.64 (+2)	Å
Electronegativity:	2.20		Oxidation states:	(2),4
1st ionization pot.:	8.3369	V	2nd ionization pot.:	19.63	V
3rd ionization pot.:	32.93	V	Specific heat:	0.24	J/gK
Heat of fusion:	17.60	kJ/mol	Heat of vapor.:	357.0	kJ/mol
Thermal conduct.:	0.718	W/cmK	Electrical conduct.:	0.0950	10^6/cm ohm
Density:	12.02	g/cm³	Valence:	2,3,4