TIN

Atomic Number: 50
Mass Number: 118.71
Electron Configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p²
Density: 7.29 g/cm³
Melting Point: 232^oC
Boiling Point: 2720^oC
First Ionization Energy: 709 kJ/mol
Second Ionization Energy: 1412 kJ/mol
Third Ionization Energy: 2943 kJ/mol
Fourth Ionization Energy: 3930 kJ/mol
Covalent Radius: 140 pm
Metallic Radius: 158 pm
Ionic Radius: 93 pm (sn²⁺), 74 pm (Sn⁺⁴)
Important Oxidation States: +2, +4