et

Zr

1 [tsirk`oonium] symbol

EKI Combined Dictionary 2026

Last modified 31.01.2025

Meanings

hõbevalge läikiv metall, keemiline element järjenumbriga 40
Synonyms

Translations

Good to know

Tähis Zr lähtub ladina nimetusest Zirconium.

Terminological databases

EKI terminibaas Esterm

ID 732366 Last modified 25.11.2015
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Domain inorganic chemistry
tsirkoonium
Zr
zirconium
Zr
  • keemiline element, hõbevalge plastne metall; sulamistemperatuur 1855 ºC, tihedus 6,52 Mg/m3
  • the chemical element of atomic number 40, a hard silver-grey metal of the transition series
tsirkoonium
Usage examples
  • Siirdemetallid: skandium, vanaadium, mangaan, koobalt, vask, ütrium, nioobium, hafnium, volfram, titaan, kroom, raud, nikkel, tsink, tsirkoonium, molübdeen ja tantaal.
Zr symbol
zirconium
Good to know
  • The element is used in nuclear reactors (it is an effective neutron absorber) and in certain alloys.
  • Properties: at.no. 40; r.a.m. 91.22; r.d. 6.51; m.p. 1,852°C (3,366°F); b.p. 4,377°C (7,911°F); most common isotope Zr90 (51.46%).
Zr symbol
zirconium
Zirkonium
zirkonium

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Zr

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