Information valid for Ga-70 unless otherwise noted
[ATOM]

Gallium

 [ATOM]

Basic Information


Symbol: Ga
Atomic Number: 31
Mass: 69.723
Melting Point: 29.78
Boiling Point: 2403
Number of Protons/Electrons: 31
Number of Neutrons: 39
Classification: Other Metals
Crystal Structure: Orthorhombic
Density: 5.907
Color: White/Silver

Atomic Structure

[Bohr Model of Gallium]  
Number of Energy Levels: 4

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

Isotopes

Isotope Half Life
Ga-669.5 hours
Ga-673.3 days
Ga-681.1 hours
Ga-69Stable
Ga-71Stable
Ga-7214.1 hours

Facts


Date of Discovery: 1875
Discoverer: Paul Emile Lecoq de Boisbaudran
Name Origin: From the Latin word Gallia, the old name of France
Uses: semiconductor production
Obtained From: bauxite, germanite, coal

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