Facts about the Classification of the Element Gadolinium
Gadolinium 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 Gadolinium
Gadolinium was discovered by Jean de Marignac in France in 1880.

Occurrence of the element Gadolinium
Gadolinium has the highest thermal neutron capture cross-section of any known element. It's Never found in nature as the free element. It is contained in many minerals such as monazite, gadolinite, and bastnasite.

Common Uses of Gadolinium
Electric light bulbs
Fluorescent tubes

The Properties of the Element Gadolinium
Name of Element : Gadolinium
Symbol: Gd
Atomic Number: 64
Atomic Mass: 157.25 amu
Melting Point: 1311.0 °C - 1584.15 °K
Boiling Point: 3233.0 °C - 3506.15 °K
Number of Protons/Electrons: 64
Number of Neutrons: 93
Crystal Structure: Hexagonal
Density @ 293 K: 7.895 g/cm3
Color: silvery-white