Practice question

MCQ

Question

A nucleus X sequentially emits an α-particle followed by two β-particles. The final nucleus will be

Options

Choose one · Correct answer highlighted

an isotone of X an isotope of X Correct an isobar of X an isomer of X

Explanation

Alpha reduces A by 4 Z by 2, beta increases Z by 1 each, net A-4 Z same.

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