Calculate the percent abundance of the two isotopes of a fictional element, georgium, if it has an average atomic mass of 291.23 u. Go-290 289.86 u
Go-292 292.07 u
A) Go-290, 38% and Go-292, 62%
B) Go-290, 62% and Go-292, 38%
C) Go-290, 42% and Go-292, 58%
D) Go-290, 58% and Go-292, 42%
E) cannot be determined
Correct Answer:
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