russellrichmond2020 russellrichmond2020

13-11-2022
Chemistry

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Question 5 (1 point)
Lithium has two isotopes, Lithium-6 with an abundance of 7.50% and Lithium-7 with
an abundance of 92.5%. What is the average atomic mass of Lithium?
6.0 amu
6.50 amu
7.0 amu
6.9 amu
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