A radioactive nucleus contains 128 nucleons. It emits a B-particle. How many nucleons are now in the nucleus? A 124 B 12

Question

A radioactive nucleus contains 128 nucleons. It emits a B-particle.
How many nucleons are now in the nucleus?
A
124
B 127
C 128
-D 129​

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Sigridomena 4 years 2021-08-11T08:05:41+00:00 2 Answers 154 views 0

Answers ( )

  1. Philomena
    0
    2021-08-11T08:06:45+00:00
    Reply

    the answer would be c

  2. Gerda
    0
    2021-08-11T08:06:46+00:00
    Reply

    C , but not sure 🙂 .

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