Vi fant 1 definisjoner av atomic number 20 på engelsk.
Noun |
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| atomic number 20 - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals | ||
| calcium, Ca | ||
| metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | ||
| burnt lime, calcined lime, calcium oxide, calx, fluxing lime, quicklime, unslaked lime, lime a white crystalline oxide used in the production of calcium hydroxide | ||
| limestone a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals | ||
| gypsum a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris) | ||
| fluor, fluorite, fluorspar a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine | ||