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Gallium



Name Gallium
Atomic Number 31
Atomic Weight 69.723(1) g·mol−1
Symbol Ga
Melting Point ( °C ) 302.9146 K, 29.7646 °C, 85.5763 °F
Boiling Point ( °C ) 2477 K, 2204 °C, 3999 °F
Density (g/cm3) 5.91 g·cm−3
Earth crust (%)
Discovery (Year)
Group
Electron configuration
Ionization energy (eV)

Gallium has the symbol Ga and atomic number 31. Gallium is not found in nature in its elemental form. Instead, Gallium is found in Gallium III salt. Gallium was discovered by Lecoq de Boisbaudran in 1875. Gallium is considered a poor metal. Period 2 Gallium has the symbol Ga and atomic number 31. Gallium is not found in nature in its elemental form. Instead, Gallium is found in Gallium III salt. Gallium was discovered by Lecoq de Boisbaudran in 1875. Gallium is considered a poor metal. Gallium is classified as a post-transition metal. In its pure, solid form, gallium is silvery white and has a fracture pattern similar to glass. The liquid form should not be kept in glass or metal containers because when turning to a solid state, gallium expands about 3.1 percent. This process could break the container.




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