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seropon [69]
3 years ago
9

Why are some atoms radioactive

Chemistry
1 answer:
mario62 [17]3 years ago
8 0
Atoms are made of three types of sub-atomic particle: neutrons and protons in the nucleus and electrons orbiting the nucleus. Some materials are radioactive because the nucleus of each atom is unstable and gives out nuclear radiation in the form of alpha particles, beta particles or gamma rays.
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