Facts about the Classification of the Element Gallium
Gallium is classified in the 'Other Metals' section which can be located in groups 13, 14, and 15 of the Periodic Table. All of these elements are solid, have a relatively high density and are opaque.

Brief Facts about the Discovery and History of the Element Gallium
Gallium was discovered by Paul Emile Lecoq de Boisbaudran in France in 1875.

Occurrence of the element Gallium
Gallium does not exist in pure form in nature
Found as a trace element in coal, bauxite, and other minerals

Common Uses of Gallium
Semi-conductors
Component of various low-melting alloys

The Properties of the Element Gallium
Name of Element : Gallium
Symbol of Element : Ga
Atomic Number of Gallium : 31
Atomic Mass: 69.723 amu
Melting Point: 29.78 °C - 302.93 °K
Boiling Point: 2403.0 °C - 2676.15 °K
Number of Protons/Electrons in Gallium : 31
Number of Neutrons in Gallium : 39
Crystal Structure: Orthorhombic
Density @ 293 K: 5.907 g/cm3
Color of Gallium : white / silver