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The Average Atomic Mass of Calcium Is 40

Question 13

Question 13

Multiple Choice

The average atomic mass of calcium is 40.078 amu. Which is the most abundant isotope of calcium?

A) "⁴⁰Ca"
B) "⁴²Ca"
C) "⁴³Ca"
D) "⁴⁴Ca"
E) "⁴⁸Ca"

Correct Answer:

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