Information valid for Ge-73 unless otherwise noted
[ATOM]

Germanium

 [ATOM]

Basic Information


Symbol: Ge
Atomic Number: 32
Mass: 72.61
Melting Point: 937.4
Boiling Point: 2830
Number of Protons/Electrons: 32
Number of Neutrons: 41
Classification: Metalloid
Crystal Structure: Cubic
Density: 5.323
Color: grayish

Atomic Structure

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

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 4

Isotopes

Isotope Half Life
Ge-68270.8 days
Ge-691.6 days
Ge-70Stable
Ge-7111.4 days
Ge-72Stable
Ge-73Stable
Ge-74Stable
Ge-76Stable
Ge-7711.3 hours

Facts


Date of Discovery: 1886
Discoverer: Clemens Winkler
Name Origin: From the Latin word Germania, meaning Germany
Uses: semiconductors
Obtained From: refining of copper, zinc, lead

Related Links

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