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Zina [86]
3 years ago
5

Where does radioactivity come from?

Chemistry
2 answers:
Aleks04 [339]3 years ago
8 0

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).

Mazyrski [523]3 years ago
4 0

Answer:A

Explanation:

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