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Silicon Has Three Naturally Occurring Isotopes: Si-28 (Mass 28

Question 12

Multiple Choice

Silicon has three naturally occurring isotopes: Si-28 (mass 28.0 amu) ; Si-29 (mass = 29.0 amu) and Si-30 (mass = 30.0 amu) . If the average atomic mass of silicon is 28.1 amu, which isotope is the most abundant?


A) Si-29
B) Si-28
C) Si-30
D) All isotopes have the same natural abundance.

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