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Meaning of alpha particle
The Chernobyl disaster was a nuclear accident that happened in 1986. Radioactive isotopes were released into the environment. The radioactive isotopes emitted alpha, beta and gamma radiation.
What is an alpha particle?
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Marking points
- 1 Select 2 charged particles and 2 neutral particles.
Full-mark answer
An alpha particle contains 2 charged particles and 2 neutral particles.
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4 charged particles and 2 neutral particles.
Only the two protons are charged; the two neutrons are neutral.