Atomic number:	17		Atomic weight:	35.4527
Shells:	2,8,7		Orbitals:	[Ne] 3s2 3p5
Melting point:	-100.98°C		Boiling point:	-34.6°C
Covalent radius:	0.99	Å	Atomic volume:	16.9	cm³/mol
Atomic radius:	0.97	Å	Ionic radius:	1.81 (-1)	Å
Electronegativity:	3.16		Oxidation states:	(±1),3,5,7
1st ionization pot.:	12.9676	V	2nd ionization pot.:	23.81	V
3rd ionization pot.:	39.611	V	Specific heat:	0.48	J/gK
Heat of fusion:	3.203	kJ/mol	Heat of vapor.:	10.20	kJ/mol
Thermal conduct.:	0.000089	W/cmK	Electrical conduct.:	--	10^6/cm ohm
Density:	0.003214	g/cm³	Valence:	1,3,5,7