The Element X Has Three Naturally Occurring Isotopes

question 15

Multiple Choice

The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is amu.

• A) 17.65
• B) 17.11
• C) 17.20
• D) 16.90
• E) 16.90 .

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