Physical and Chemical Properties:
 
Atomic number 22
Atomic wieght 47.88 (+\- 0.03)
Oxidation states 4,3
Number of naturally occuring isotopes 5
Electron configuration [Ar]3d24s2
Electronegativity 1.5
Metal radius (pm) 147
Melting point (Kelvin) 1943
Boiling point (Kelvin) 3562
Heat of vaporization (kJ/mol) 421.00
Heat of fusion (kJ/mol) 15.450
Heat of formation (monotomic gas) (kJ/mol) 469
Denisty at 300K (g/cm3) 4.50
Electrical conductivity (106/Ohms cm) 0.234
Electrical resistivity (10-8 Ohms m) 40
Thermal conductivity (W/cm K) 0.219
Specific Heat Capacity (J/g K) 0.52
First Ionization Potential (V) 6.82
Atomic volume (cm3/mol) 9.2
Atomic Radius (Angstrom) 2.00
Covalent Radius (Angstrom) 1.32
Hardness 
  Mineral 
  Brinell (MN/m2
  Vickers (MN/m2
 
6.1 
716 
970
Elastic Properties 
  Young's Modulus (GPa) 
  Shear Modulus (GPa) 
  Bulk Modulus (GPa) 
  Poisson's ratio
116 
44 
110 
0.32