Atomic number:	44		Atomic weight:	101.07
Shells:	2,8,18,15,1		Orbitals:	[Kr] 4d7 5s1
Melting point:	2334°C		Boiling point:	4150°C
Covalent radius:	1.25	Å	Atomic volume:	8.3	cm³/mol
Atomic radius:	1.89	Å	Ionic radius:	.62 (+4)	Å
Electronegativity:	2.2		Oxidation states:	2,(3,4),6,8
1st ionization pot.:	7.3605	V	2nd ionization pot.:	16.76	V
3rd ionization pot.:	28.47	V	Specific heat:	0.238	J/gK
Heat of fusion:	24.0	kJ/mol	Heat of vapor.:	595.0	kJ/mol
Thermal conduct.:	1.17	W/cmK	Electrical conduct.:	0.137	10^6/cm ohm
Density:	12.2	g/cm³	Valence:	0,1,2,3,4,5,6,7,8