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    atomic number 77

    atomic number 77 - 365bet中国官方网站 definition and meaning for word atomic number 77

    Definition
    (noun) a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
    Synonyms : ir , iridium

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