Do you know how atoms decay?
Radioactive Decay Quiz
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Question 1 of 5Question 1
Unstable atomic nuclei emit particles. Match the type of decay to the correct name.
- A neutron changes into a proton and an electron
- A proton becomes a neutron and a positron
- A helium nucleus is emitted
- Beta minus (β-)
- Beta plus (β+)
- Alpha (α)
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Question 2 of 5Question 2
Use some of the following words/numbers to fill in the blanks. You can use each word/number more than once.
Increases, decreases, atomic, mass, 1, 2, 3, 4
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Unstable atomic nuclei emit particles. Complete the following statements about the changes in mass and atomic numbers after different types of decay:
- Beta minus (β-) – number by 1.
- Beta plus (β+) – number by 1.
- Alpha (α) – number decreases by and number decreases by .
- Neutron emission – number by 1
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Question 3 of 5Question 3
After radioactive decay, unstable atomic nuclei sometimes rearrange themselves to become more stable. What is emitted when this happens?
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Question 4 of 5Question 4
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Question 5 of 5Question 5
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