DP Chemistry (last assessment 2024)
Question 22N.1.sl.TZ0.7
Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.1.sl.TZ0.7 |
Level | sl | Paper | 1 | Time zone | TZ0 |
Command term | State | Question number | 7 | Adapted from | N/A |
7.
[Maximum mark: 1]
22N.1.sl.TZ0.7
Which elements are considered to be metalloids?
I. Gallium
II. Germanium
III. Arsenic
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
[1]
Markscheme
C
Examiners report
The question about identifying metalloids in the Periodic Table was challenging for many candidates with only 40% of the candidates identifying the correct answer (germanium and arsenic). The most commonly chosen distractor was A (gallium and germanium).