O-LevelChemistryStoichiometry5070/12 · May/June 2020 · Q141 Mark

The expression shown for the value of Ar for fluorine is incomplete. Ar (fluorine) = Which row should the gaps in the expression be correctly completed?

Agap 1: atom, gap 2: 1/6

Bgap 1: atom, gap 2: 1/12

Cgap 1: molecule, gap 2: 1/6

Dgap 1: molecule, gap 2: 1/12

✓ Correct answer

B: gap 1: atom, gap 2: 1/12

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 2, question 14.

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