et

Cs

1 [ts`eesium] symbol

EKI Combined Dictionary 2026

Last modified 23.01.2025

Meanings

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

Translations

Good to know

Tähis Cs lähtub ladina nimetusest Caesium.

Terminological databases

EKI terminibaas Esterm

ID 736345 Last modified 09.02.2016
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Domain inorganic chemistry
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

Word forms

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Cs

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