An element X has isotopic masses of 6 and 7. if the relative abundance is
CHEMISTRY
WAEC 2011
An element X has isotopic masses of 6 and 7. if the relative abundance is 1 to 12.5 respectively, what is the relative atomic mass of X?
- A. 6.0
- B. 6.1
- C. 6.9
- D. 7.0
Correct Answer: C. 6.9
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