PERIODIC ELEMENT
Po (Polonium)

 



Atomic number : 84
Atomic mass : 210 g.mol-1
Electronegativity according to Pauling : 2.0
Density : 9.51 g.cm-3 at 20°C
Melting point : 254 °C
Boiling point : 962 °C
Vanderwaals radius : 0.164 nm
Ionic radius : 0.102 nm (+4)
Isotopes : 12
Electronic shell : [Xe] 4f14 5d10 6s2 6p4
Energy of first ionisation : 813 kJ.mol-1
Discovered by : Pierre and Marie Curie in 1898
 
Atomic Structure Uses (No uses known)