razanali31 razanali31

10-10-2017
Chemistry

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the.............of an element is the average mass of an element's naturally occurring atom, or isotopes, taking into account the.................of each isotope.

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ngjeffreyoxl4qi ngjeffreyoxl4qi

10-10-2017

The atomic mass of an element is the average mass of an element's naturally occurring atom, or isotopes, taking into the account the isotopic mass of each isotope.

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