PERIODIC ELEMENT
Lu (Lutetium)

 



Atomic number : 71
Atomic mass : 174.97 g mol-1
Electronegativity according to Pauling : 1.2
Density : 9.7 g cm-3 at 20 °C
Melting point : 1663 °C
Boiling point : 3395 °C
Vanderwaals radius : unknown
Ionic radius : unknown
Isotopes : 9
Electronic shell : [ Xe ] 4f14 5d1 6s2
Energy of first ionisation : 522.7  kJ.mol-1
Energy of second ionisation : 1339 kJ.mol-1
Standard potential : - 2.25 V
Discovered by : George Urbain in 1907
 
Atomic Structure Uses (No uses known)