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17 August, 22:49

What element has an r. m. m of 72

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  1. 18 August, 02:29
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    Germanium

    Explanation:

    The element Germanium is one with a relative molecular mass of 72. This corresponds to the mass number of this element.

    Relative molecular mass of an element is the mass of a formula unit to that of a carbon-12 atom.

    The chemical symbol of Germanium is Ge. It is a lustrous and hard metalloid belonging to the carbon group.

    It was discovered by Clemens Alexander Winkler.
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