• word of the day

    atomic number 86

    atomic number 86 - Dictionary definition and meaning for word atomic number 86

    Definition
    (noun) a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
    Synonyms : radon , rn

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