et

Se

1 [sel`een] symbol

EKI Combined Dictionary 2026

Last modified 05.02.2025

Meanings

looduses hajusalt leiduv hall kristalne mittemetall, keemiline element järjenumbriga 34
Synonyms

Translations

Good to know

Tähis Se lähtub ladina nimetusest Selenium.

Terminological databases

EKI terminibaas Esterm

ID 713826 Last modified 13.10.2015
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Domain inorganic chemistry
  • looduses hajusalt leiduv hall kristalne mittemetalne element
  • a metalloid element of group 16 of the (IUPAC) periodic table
seleen
Se symbol
selenium
Good to know
  • There are a number of allotropic forms, including grey, red, and black selenium. It occurs in sulphide ores of other metals and is obtained as a by-product (e.g. from the anode sludge in electrolytic refining). The element is a semiconductor; the grey allotrope is light-sensitive and is used in photocells, xerography, and similar applications.
  • Properties: at.no. 34; r.a.m. 78.96; r.d. 4.79; m.p. 217°C (422.6°F); b.p. 684.9°C (1265°F); most common isotope Se80 (49.82%).
Se symbol
Good to know
  • chemical symbol
sélénium
Selen
seleeni

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Se

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