Symbol	Lu	Atomic radius: pm	172	Fusion: kJ/Mole	22.0
Name	Lutetium	Ionic radius: pm	(+3)98	Boiling point: °C	3402
Atomic number	71	Electron affinity	-	Melting point: °C	1663
Atomic weight	175.0	1st  ion potential	5.43	Specific Heat Cap: J/(g K)	0.15
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.16
Configuration	[Xe]4f145d16s2	Crystal structure	Hex	Electrical Cond	0.0185
Oxidation states	3	Density	9.84	Abundance: mg/kg-crust	0.8
Electronegativity	1.0	Vaporization: kJ/Mole	428.0
Lutetium was first discovered in 1907-08 by Carl Auer bon Welsbach and Georges Urbain working independently.			Uses - alloys, catalysts