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    atomic number 20

    atomic number 20 - 365bet中国官方网站 definition and meaning for word atomic number 20

    Definition
    (noun) 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

  • Word used in video below:
    text: atomic element number 101 ends in iam
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