DP Chemistry (last assessment 2024)
Question 22M.1.sl.TZ2.7
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.1.sl.TZ2.7 |
| Level | sl | Paper | 1 | Time zone | TZ2 |
| Command term | Predict | Question number | 7 | Adapted from | N/A |
7.
[Maximum mark: 1]
22M.1.sl.TZ2.7
Three elements, X, Y, and Z are in the same period of the periodic table. The relative sizes of their atoms are represented by the diagram.
Which general trends are correct?
[1]
Markscheme
C
Examiners report
The question involved the identification of three trends. 43% of the candidates selected the correct trends in ionization energy, effective nuclear charge and acidity of the oxides. The most commonly chosen distractor reversed the trend in the acidity of the oxides.