Symbol	Sm	Atomic radius: pm	180	Fusion: kJ/Mole	8.62
Name	Samarium	Ionic radius: pm	(+3)108	Boiling point: °C	1794
Atomic number	62	Electron affinity	-	Melting point: °C	1074
Atomic weight	150.4	1st  ion potential	5.64	Specific Heat Cap: J/(g K)	0.20
Classification	Trans metal	Natural form	Solid	Thermal Cond: W/(cm K)	0.13
Configuration	[Xe]4f66s2	Crystal structure	Rhom	Electrical Cond	0.00956
Oxidation states	2,3	Density	7.52	Abundance: mg/kg-crust	7.05
Electronegativity	1.17	Vaporization: kJ/Mole	192.0
Samarium was isolated as an impure oxide and spectroscopically identified as a new element in 1879 by P.-É. Lecoq de Boisbaudran.			Uses - alloys, headphones, making of permanent magnets, absorber in nuclear reactors