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wpe2.jpg (8701 bytes)

Mass number:  69.723wpe1.jpg (29537 bytes)

Atomic Number:  31

Boiling Point:  2403.0 C

Melting Point: 29.78

Density: [@293K]5.907 g/cm

Specific Heat:  0.089 g/cm

Liquid near room temperature:  whitish silver color

Used in: thermometers

Number of Energy Levels: 4

First: 2    Second: 8    Third: 18     Fourth: 3

History: Gallium was discovered in 1875 by Paul Emile Leqoq de Boisbaudran.

The name comes from the Latin word Gallia, the old name for France. 

Mendeleev predicted and prescribed it as eka aluminum.

 

 

By:  Bree Horvath

Period 2

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