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O-LevelChemistryAtomic Structure5070/12 · May/June 2014 · Q231 Mark

Element Q is in Period 3 of the Periodic Table. It can form ions with the formula Q³⁻. Which element is most likely to be Q?

Aaluminium
Barsenic
Cphosphorus
Dsulfur

✓ Correct answer

C: phosphorus

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About this question

Topic
Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 23.

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