Cesium

Element information

Atomic properties

Mass: 132.9054520 u

Electron configuration: [Xe]6s1

Oxidation states: +1

Electronegativity: 0.79

Physical properties

Density: 1.93 g/cm³

Standard state: solid

Melting point: 301.59 K

Boiling point: 944 K

₅₅Cs

Part of the Periodic Table 2 collection

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