Atomic number:	37		Atomic weight:	85.4678
Shells:	2,8,18,8,1		Orbitals:	[Kr] 5s1
Melting point:	38.89°C		Boiling point:	686°C
Covalent radius:	2.16	Å	Atomic volume:	55.9	cm³/mol
Atomic radius:	2.98	Å	Ionic radius:	1.61 (+1)	Å
Electronegativity:	0.82		Oxidation states:
1st ionization pot.:	4.1771	V	2nd ionization pot.:	27.28	V
3rd ionization pot.:	40.0	V	Specific heat:	0.363	J/gK
Heat of fusion:	2.192	kJ/mol	Heat of vapor.:	72.216	kJ/mol
Thermal conduct.:	0.582	W/cmK	Electrical conduct.:	0.0779	10^6/cm ohm
Density:	1.53	g/cm³	Valence:	1,2,3,4