PERIODIC ELEMENT
In (Indium)

 



Atomic number : 49
Atomic mass : 114.82 g.mol-1
Electronegativity according to Pauling : 2
Density : 7.31 g.cm-3 at 20 °C
Melting point : 156 °C
Boiling point : 2000 °C
Vanderwaals radius : 0.162 nm
Ionic radius : 0.092 (+2) nm
Isotopes : 11
Electronic shell : [Kr] 4d10 5s2 5p1
Energy of first ionisation : 558.2 kJ.mol-1
Energy of second ionisation : 1820 KJ.mol-1
Energy of third ionisation : 2704 KJ.mol-1
Standard potential : - 0.34 V (In3+ / In)
Discovered by : Ferdinand Reich 1863
 
Atomic Structure Uses (coating of high-speed bearings)