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28 March, 19:36

When a radioactive atom emits an alpha particle, the mass number of the radioactive atom

A. Increases because the alpha particle contains 2 electrons

B. Decreases because the alpha particle contains 2 electrons

C. Increases because the alpha particle contains 2 protons

D. Decreases because the alpha particle contains 2 protons

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Answers (2)
  1. 28 March, 19:41
    0
    c

    Explanation:

    did it
  2. 28 March, 21:27
    0
    d or c
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