An atom of mass number 15 and atomic number 7 captures an α - particle and then emits a proton. The mass number and atomic number of the resulting product will respectively be
Text Solution
Verified by ExpertsThe correct answer is:
D
According to the law of conservation of charge, we get 
According to the law of conservation of mass, we get
Hence, the resulting atom has mass number 18 and atomic number 8.
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