Home Chemistry Nuclear Chemistry Causes of Radioactivity and Group Displacement Law If nucleus emits one -particle, the remain…
Chemistry Nuclear Chemistry Causes of Radioactivity and Group Displacement Law Single Correct MCQ
Published on: August 13, 2026

If nucleus emits one -particle, the remaining nucleus will have

A
119 neutrons and 119 protons
B
142 neutrons and 90 protons
C
144 neutrons and 92 protons
D
146 neutrons and 90 protons

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The correct answer is:
B

have 90 protons and 142 neutrons.

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