Multiple Choice
Element A exists in three isotopic forms with masses of 21.0, 25.0 and 26.0 amu respectively. Element B also exists in three isotopic forms with masses of 22.0, 24.0 and 26.0 amu respectively. It is true that ________.
A) element A has a higher atomic mass than B
B) element B has a higher atomic mass than A
C) A and B have identical atomic masses since the sums of their isotopic masses are equal
D) you need the percentages of each isotope to determine their atomic masses
Correct Answer:

Verified
Correct Answer:
Verified
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