Home Chemistry Nuclear Chemistry Causes of Radioactivity and Group Displacement Law During a -decay the mass of the atomic nucl…
Chemistry Nuclear Chemistry Causes of Radioactivity and Group Displacement Law Single Correct MCQ
Published on: August 11, 2026

During a -decay the mass of the atomic nucleus

A
Decreases by one unit
B
Increases by one unit
C
Decreases by two units
D
Remains unaffected

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Verified by Experts
The correct answer is:
D

During -decay atomic mass is unaffected while atomic no. increases by one unit.

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