DP Chemistry (last assessment 2024)
Question 22N.1.sl.TZ0.5
| Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.1.sl.TZ0.5 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | Deduce | Question number | 5 | Adapted from | N/A |
5.
[Maximum mark: 1]
22N.1.sl.TZ0.5
Which quantities are different between two species represented by the notation and −?
A. The number of protons only
B. The number of protons and electrons only
C. The number of protons and neutrons only
D. The number of protons, neutrons and electrons
[1]
Markscheme
D
Examiners report
A well answered question. 62% of the candidates compared the numbers of protons, neutrons and electrons in the two species correctly.