Germanium

Statistics:

• Name: Germanium
• Symbol: Ge
• Classification: Metalloid
• Atomic Number: 32
• Atomic Mass: 72.64 g/mol
• Density: 5.32 g/cm³
• Melting: 937.4°C
• Boiling: 2830°C
• Protons & Electrons:32
• Neutrons:41
• Discovered: 1886
• Discovered By: Winkler
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Electrons Per Energy Level:

• Level 1: 2
• Level 2: 8
• Level 3: 18
• Level 4: 4

Isotopes:

Isotope: Half-life

• ⁶⁸Ge: 270.8 days
• ⁶⁹Ge: 39.05 hours
• ⁷⁰Ge: stable
• ⁷¹Ge: 11.43 days
• ⁷²Ge: stable
• ⁷³Ge: stable
• ⁷⁴Ge: stable
• ⁷⁶Ge: stable
• ⁷⁷Ge: 11.30 hours

Brief Summary

Germanium is a Metalloid with the symbol 'Ge' and contains 32 Protons & Electrons with 41 neutrons in the nucleus of the atom. Germanium has an atomic mass of 72.64 g/mol and, at a temperature of 20°C, has a density of 5.32 g/cm³. It will melt at a temperature of 937.4°C and boil at 2830°C.

Germanium was discovered by Winkler in 1886 and is named 'Germanium' Latin word "Germania", meaning "Germany".

Some common usages for Germanium: semiconductors.

Definitions and Notes

Density listed is at a temperature of 20°C.

Isotopes are forms of an element who have the same atomic number but different mass because they contain different number of neutrons.

Half-life is the time required for a quantity of a subject to fall to half of its current quantity.

MLA Citing Format

Germanium :: Ge :: 32 - Chemical Element. 10 Mar. 2010 <http://www.chemicalelement.com/element/germanium.html>.