Q:

Which statement is correct? Radioactivity is the emission from the nucleus of an atom of:

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Which statement is correct? Radioactivity is the emission from the nucleus of an atom of:


  1. electrons or beta particles or gamma rays.
  2. alpha or beta particles or X rays.
  3. electrons or beta particles or X rays.
  4. alpha or beta particles or gamma rays.

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D: X-rays are not involved in radioactivity. Electrons are beta particles.

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