Mass Number and Atomic Number Change in Alpha and Gamma Decay Explained
Question
A radioactive nucleus decays by emission of an α-particle followed by a ϒ-ray. The daughter nucleus thus formed has a mass number and atomic number:
Options
A – 5 and Z – 2 respectively
A – 4 and Z – 2 respectively
A – 5 and Z – 3 respectively
A – 4 and Z – 3 respectively
A – 4 and Z respectively
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