Atomic number:	38		Atomic weight:	87.62
Shells:	2,8,18,8,2		Orbitals:	[Kr] 5s2
Melting point:	769°C		Boiling point:	1384°C
Covalent radius:	1.91	Å	Atomic volume:	33.7	cm³/mol
Atomic radius:	2.45	Å	Ionic radius:	1.26 (+2)	Å
Electronegativity:	0.95		Oxidation states:
1st ionization pot.:	5.6948	V	2nd ionization pot.:	11.03	V
3rd ionization pot.:	43.60	V	Specific heat:	0.30	J/gK
Heat of fusion:	8.30	kJ/mol	Heat of vapor.:	144.0	kJ/mol
Thermal conduct.:	0.353	W/cmK	Electrical conduct.:	0.0762	10^6/cm ohm
Density:	2.6	g/cm³	Valence:	2