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OpenStudy (anonymous):
How you calculate Average atomic mass of an atom. HINT: A given element may have a natural of different isotopes, which are nuclei with the same numbers of protons but different numbers of neutrons. Isotopes, have different masses. i need help
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OpenStudy (joannablackwelder):
Average atomic mass is the sum of all naturally occurring isotopes molar masses times their fractional abundance.
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