14-05-2019
Chemistry

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Where does radioactivity come from?

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JapanLS JapanLS

14-05-2019

Radioactivity comes from unstable atoms of certain elements. Radioactivity consists of alpha radiation (2 protons and 2 neutrons), beta radiation (1 electron), or gamma radiation (Electromagnetic photons).

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14-05-2019

Answer:A

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