O-LevelChemistryAtomic Structure5070/11 · Oct/Nov 2018 · Q51 Mark

Which row shows the numbers of particles in ³⁴S²⁻?

Aprotons: 16, neutrons: 16, electrons: 16

Bprotons: 16, neutrons: 18, electrons: 18

Cprotons: 18, neutrons: 16, electrons: 20

Dprotons: 20, neutrons: 14, electrons: 22

✓ Correct answer

B: protons: 16, neutrons: 18, electrons: 18

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 1, question 5.

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