DP Chemistry (first assessment 2025)

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Question 22N.1A.SL.TZ0.7

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.1A.SL.TZ0.7
Level SL Paper 1A Time zone TZ0
Command term State Question number 7 Adapted from N/A
7.
[Maximum mark: 1]
22N.1A.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).

Syllabus sections