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) 17.20
B) 16.90
C) 17.65
D) 17.11
E) 16. 90
Correct Answer:
Verified
Correct Answer:
Verified
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