DP Chemistry (last assessment 2024)
Question 20N.3.hl.TZ0.17a
| Date | November 2020 | Marks available | [Maximum mark: 1] | Reference code | 20N.3.hl.TZ0.17a |
| Level | hl | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
20N.3.hl.TZ0.17a
Technetium-99m is the most commonly used isotope for diagnostic medicine.
(a)
State the type of radiation technetium-99m emits.
[1]
Markscheme
gamma/ ✔
Examiners report
This question was well answered. Most were able to state that gamma radiation is emitted from technetium-99m. The most common incorrect answer was beta radiation.
