CBSE Class 12 · 2020 · Modern PhysicsVery Short Answer

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β

-decay, the parent and daughter nuclei have the same number of ____.

Answer: Nucleons (the mass number is unchanged).

Solution

β

-decay a neutron changes to a proton (or vice-versa), so the atomic number changes by one while the mass number (number of nucleons) stays the same.

nucleons (same mass number)

CBSE Class 12 Board · 2020 · Subjective

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