PERIODIC ELEMENT
Rh (Rhodium)




Atomic number : 45
Atomic mass : 102.91 g.mol-1
Electronegativity according to Pauling : 2.2
Density : 12.4 g.cm-3 at 20 °C
Melting point : 1970 °C
Boiling point : 3727 °C
Isotopes : 9
Electronic shell : [Kr] 4d8 5s1
Energy of first ionisation : 742 kJ.mol-1
Standard Potential : - 0.6 V
Discovered by : William Wollaston in 1803
 
Atomic Structure Uses (coatings)