Radioactive decay - AQA

1

Gamma radiation can be significantly reduced by…

2

What form of radiation is emitted by nuclei with too many neutrons?

3

Gamma radiation is...

4

Which form of radiation has the highest ionising power?

5

What causes an atom's nucleus to become unstable?

6

What is the activity of a source that emits 1,200 particles per minute?

7

Uranium 238 emits an alpha particle to become what nucleus?

8

An alpha particle is…

9

Which type of radiation can reach the furthest?

10

What fraction of a radioisotope has decayed after two half-lives? - Higher