Facts about the Classification of the Element Samarium
Samarium classified as an element in the Lanthanide series as one of the "Rare Earth Elements" which can located in Group 3 elements of the Periodic Table and in the 6th and 7th periods. The Rare Earth Elements are divided into the Lanthanide and Actinide series. The elements in the Lanthanide series closely resemble lanthanum, and one another, in their chemical and physical properties. Their compounds are used as catalysts in the production of petroleum and synthetic products.

Brief Facts about the Discovery and History of the Element Samarium
Samarium was discovered by Jean Charles Galissard de Marignac in Switzerland in 1853. It was isolated in France in 1879 by the French chemist Paul Emile Lecoq de Boisbaudran.

Occurrence of the element Samarium
Found in monazite and bastnaesite

Common Uses of Samarium
Carbon-arc lighting
Neutron absorber in nuclear reactors
Optical lasers
Headphones

The Properties of the Element Samarium
Name of Element : Samarium
Symbol: Sm
Atomic Number: 62
Atomic Mass: 150.36 amu
Melting Point: 1072.0 °C - 1345.15 °K
Boiling Point: 1900.0 °C - 2173.15 °K
Number of Protons/Electrons: 62
Number of Neutrons: 88
Crystal Structure: Rhombohedral
Density @ 293 K: 7.54 g/cm3
Color: silver