DP Chemistry (last assessment 2024)

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Question 21M.2.sl.TZ1.b

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Date May 2021 Marks available [Maximum mark: 2] Reference code 21M.2.sl.TZ1.b
Level sl Paper 2 Time zone TZ1
Command term Justify Question number b Adapted from N/A
b.
[Maximum mark: 2]
21M.2.sl.TZ1.b

Iron may be extracted from iron (II) sulfide, FeS.

Justify why sulfur is classified as a non-metal by giving two of its chemical properties.

[2]

Markscheme

Any two of:

forms acidic oxides «rather than basic oxides» ✔

forms covalent/bonds compounds «with other non-metals» ✔

forms anions «rather than cations» ✔

behaves as an oxidizing agent «rather than a reducing agent» ✔


Award [1 max] for 2 correct non-chemical properties such as non-conductor, high ionisation energy, high electronegativity, low electron affinity if no marks for chemical properties are awarded.

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