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The Element X Has Three Naturally Occurring Isotopes

Question 138

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. 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) 219.7 B) 220.4 C) 220.42 D) 218.5 E) 221.0


A) 219.7
B) 220.4
C) 220.42
D) 218.5
E) 221.0

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