Word:

atomic number 20

Noun1.atomic number 20atomic 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
Synonyms: Ca, calcium
burnt lime, Ca, calcined lime, calcium, 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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atomic number 102
atomic number 103
atomic number 104
atomic number 105
atomic number 106
atomic number 107
atomic number 11
atomic number 12
atomic number 13
atomic number 14
atomic number 15
atomic number 16
atomic number 17
atomic number 18
atomic number 19
atomic number 2
-- atomic number 20 --
atomic number 21
atomic number 22
atomic number 23
atomic number 24
atomic number 25
atomic number 26
atomic number 27
atomic number 28
atomic number 29
atomic number 3
atomic number 30
atomic number 31
atomic number 32
atomic number 33
atomic number 34
atomic number 35
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