Meaning of ATOMIC NUMBER 20
 WordNet Dictionary |
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| | Definition: | | [n] 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 |
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| | Synonyms: | | Ca, calcium |
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| | See Also: | | burnt lime, calcined lime, calcium ion, calcium oxide, calx, factor IV, fluor, fluorite, fluorspar, fluxing lime, gypsum, lime, limestone, metal, metallic element, quicklime, unslaked lime | |
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