An elements X with relative atomic mass 16.2 contains two isotopes 16 8 X with
CHEMISTRY
JAMB 2001
An elements X with relative atomic mass 16.2 contains two isotopes168X with relative abundance of 90% and m8X with relative abundance of 10%. The value of m is
- A. 16
- B. 18
- C. 12
- D. 14
Correct Answer: B. 18
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