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21-12-2020
Chemistry

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15) The element X has three naturally occurring isotopes. The isotopic massed (amu) and % abundances of the isotopes are given in the table below. the average atomic mass of the element is _____ amu.

15 The element X has three naturally occurring isotopes The isotopic massed amu and abundances of the isotopes are given in the table below the average atomic m class=

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21-12-2020

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