| Date | November 2017 | Marks available | 2 | Reference code | 17N.3.sl.TZ0.16 |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Explain | Question number | 16 | Adapted from | N/A |
Question
Radioisotopes are used to diagnose and treat various diseases. Explain the low environmental impact of most medical nuclear waste.
Markscheme
Any two of:
emits weak ionising radiation
OR
low activity/radioactivity
can be stored until material becomes inactive AND then disposed with normal waste
«isotopes» have short lives
OR
exist for a short period of time
Award [1 max] for “low-level waste/LLW”.
[Max 2 Marks]
Examiners report
[N/A]
