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calcium

1

Terminological databases

EKI terminibaas Esterm

ID 704499 Last modified 11.12.2024
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Domain Chemistry
kaltsium
Ca
calcium
Ca
  • keemiline element, leelismuldmetall, hõbejas, läikiv, pehme ja kergesti töödeldav metall, sulamistemperatuur 842 ºC, tihedus 1,55 Mg/m3
  • a soft grey metallic element belonging to group 2 (formerly IIA) of the periodic table; a.n. 20; r.a.m. 40.08; r.d. 1.54; m.p. 839°C; b.p. 1484°C
    Good to know
    • Calcium compounds are common in the earth’s crust; e.g. limestone and marble (CaCO3), gypsum (CaSO4.2H2O), and fluorite (CaF2).
kaltsium
Ca symbol
calcium
Ca symbol

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Etymology

  • calcium 'kaltsium' ( Humphry Davy 1818 )

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