32 Ge Germanium 72,63 u

Germanium

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Periode
4
Gruppe
14
Block
p-Block
Phase (STP)
Solid

Germanium is a metalloid used in fiber optics, infrared optics, and electronics. It was one of the elements predicted by Mendeleev before its discovery.

Erscheinungsbild: Grayish-white, lustrous, hard

Physikalische Eigenschaften

Atommasse 72.63 u
Dichte 5.323 g/cm³
Schmelzpunkt 938.3 °C
Siedepunkt 2832.8 °C
Phase bei STP Solid
Atomradius 125.0 pm

Elektronische Eigenschaften

Elektronegativität 2.01
Ionisierungsenergie 762.0 eV
Elektronenaffinität 119.0 eV
Valenzelektronen 4

Elektronenkonfiguration

Konfiguration [Ar] 3d¹⁰ 4s² 4p²

Electron Shell Configuration

Germanium electron shell configuration Ge 2e⁻ 8e⁻ 18e⁻ 4e⁻

Position in Periodic Table

Germanium position in the periodic table Ge

Entdeckung

Entdeckt von: Clemens Winkler
Jahr: 1886

Periodensystem

Lanthanide Actinide

Compounds Containing Germanium

Mehr Halbmetall

Frequently Asked Questions

What is Germanium?
Germanium (Ge) is a chemical element with atomic number 32. It is a solid at standard temperature and pressure, classified as a halbmetall.
What are the key properties of Germanium?
Germanium has an atomic mass of 72.63 u, density of 5.323 g/cm³, melting point of 938.3°C, boiling point of 2832.8°C.
What is the electron configuration of Germanium?
The electron configuration of Germanium is [Ar] 3d10 4s2 4p2. It is in the p-block of the periodic table.
Who discovered Germanium?
Germanium was discovered by Clemens Winkler in 1886.
What is the electronegativity of Germanium?
Germanium has an electronegativity of 2.01 on the Pauling scale.