55 Cs Cesium 132,91 u

Cesium

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Periode
6
Gruppe
1
Block
s-Block
Phase (STP)
Solid

Cesium is the most electropositive stable element. It is used in atomic clocks, which define the second in the SI system.

Physikalische Eigenschaften

Atommasse 132.91 u
Phase bei STP Solid

Elektronische Eigenschaften

Elektronegativität 0.79

Elektronenkonfiguration

Konfiguration [Xe] 6s¹

Electron Shell Configuration

Cesium electron shell configuration Cs 2e⁻ 8e⁻ 18e⁻ 18e⁻ 8e⁻ 1e⁻

Position in Periodic Table

Cesium position in the periodic table Cs

Mehr Alkalimetall

Frequently Asked Questions

What is Cesium?
Cesium (Cs) is a chemical element with atomic number 55. It is a solid at standard temperature and pressure, classified as a alkalimetall.
What are the key properties of Cesium?
Cesium has an atomic mass of 132.91 u.
What is the electron configuration of Cesium?
The electron configuration of Cesium is [Xe] 6s1. It is in the s-block of the periodic table.
What is the electronegativity of Cesium?
Cesium has an electronegativity of 0.79 on the Pauling scale.