en

caesium

1

EKI Combined Dictionary 2026

Last modified 23.01.2025

Meanings

kuldse värviga hõbedaselt läikiv pehme metall, omadustelt leelismetall, keemiline element järjenumbriga 55
Synonyms
  • Cs symbol

Translations

Terminological databases

EKI terminibaas Esterm

ID 736345 Last modified 09.02.2016
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Domain inorganic chemistry
tseesium
Cs
caesium preferred
  • a ductile silvery-white element of the alkali metal group that is the most electropositive metal
Good to know
  • It occurs in pollucite and lepidolite and is used in photocells.
  • Symbol: Cs; atomic no: 55; atomic wt: 132.90543; valency: 1; relative density: 1.873; melting pt: 28.39±0.01°C; boiling pt: 671°C
tseesium
Cs symbol
caesium preferred
Good to know
  • Caesium is the spelling recommended by the International Union of Pure and Applied Chemistry (IUPAC).
cesium
Good to know
  • US spelling
césium
Cäsium
cesium

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Etymology not available

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