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Chemistry, 11.12.2020 01:30 sam10146

Pennyium has 2 isotopes, Pennyium-24 with an abundance of 67.5% and Pennyium-25 with an abundance of 32.5%. Find the AAM for Pennyium.
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Pennyium has 2 isotopes, Pennyium-24 with an abundance of 67.5% and Pennyium-25 with an abundance o...
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