32 Ge Germanium 72,63 u

Germanium

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Période
4
Groupe
14
Bloc
p-bloc
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.

Apparence: Grayish-white, lustrous, hard

Propriétés physiques

Masse atomique 72.63 u
Densité 5.323 g/cm³
Point de fusion 938.3 °C
Point d'ébullition 2832.8 °C
Phase à STP Solid
Rayon atomique 125.0 pm

Propriétés électroniques

Électronégativité 2.01
Énergie d'ionisation 762.0 eV
Affinité électronique 119.0 eV
Électrons de valence 4

Configuration électronique

Configuration [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

Découverte

Découvert par: Clemens Winkler
Année: 1886

Tableau périodique

Lanthanides Actinides

Compounds Containing Germanium

Plus de Métalloïde

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 métalloïde.
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.