A) \[19:12\]
B) \[5:3\]
C) \[5:6\]
D) \[4:3\]
Correct Answer: B
Solution :
Number of neutrons in \[K\] atom\[=39-19=20\] Number of neutrons in \[Mg\] atom\[=24-12=12\] Ratio\[=20:12=5:3\]You need to login to perform this action.
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