PERIODIC ELEMENT
Pd (Palladium)




Atomic number : 46
Atomic mass : 106.42 g.mol-1
Electronegativity according to Pauling : 2.2
Density : 11.9 g.cm-3 at 20 °C
Melting point : 1560 °C
Boiling point : 2927 °C
Vanderwaals radius : 0.065 nm (+2)
Ionic radius : 0.137 nm
Isotopes : 9
Electronic shell : [Kr] 4d105s0
Energy of first ionisation : 703 kJ.mol-1
Energy of second ionisation : 1870 kJ.mol-1
Energy of third ionisation : 3177 kJ.mol-1
Standard Potential : + 0.85 V (Pd2+ / Pd)
Discovered by : William Wollaston in 1803
 
Atomic Structure Uses (jewelry, medical instruments)