Revision: Radioactivity

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21 Radioactivity - Revision Quiz

Test your understanding of Radioactivity here:

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1) The table shows the results of an experiment to find the half-life of a radioactive substance.

What is the half-life of the substance?

 

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2) A radioactive nucleus emits a β-particle.

What happens to the proton number (atomic number) of the nucleus?

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3) Radioactive decay is stated to be random in nature.

Which statement best describes what is meant by this?

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4) The diagram below shows nucleon number against proton number. The nucleus Bismuth-212 is plotted on the graph at the cross marked P.

Which point on the diagram would represent the new nucleus after the Bismuth-212 decays by emitting an alpha particle?

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5) All radioactive sources have a half-life.

Which statement about the half-life of a source is correct?

Your score is

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