Question
N5 Chemistry 2022 paper 1, question 24
A radioisotope is used to monitor blood flow around the body. In order to prevent damage to the body the radiation emitted must be able to escape through the skin.
Which line in the table describes the type of radiation emitted and half-life that would make a radioisotope suitable for this use?
| Type of radiation emitted | Half-life | |
|---|---|---|
| A | alpha | long |
| B | beta | long |
| C | alpha | short |
| D | beta | short |
1 mark