Radioactivity 1 combined

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5 Terms

1
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State where within an atom nuclear radiation is emitted from.

The nucleus

2
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Explain why unstable nuclei emit radiation.

To become more stable.

3
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In the context of radioactive decay, state the standard units for activity.

Becquerels (Bq)

4
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Define activity in the context of radioactive decay.

The number of decays per second.

5
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Name the piece of equipment used to measure radioactive decay.

A Geiger-Muller tube