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  • word of the day

    atomic number 5

    atomic number 5 - 365bet中国官方网站 definition and meaning for word atomic number 5

    Definition
    (noun) a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
    Synonyms : b , boron

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