O-LevelChemistryAtomic Structure5070/12 · Oct/Nov 2022 · Q321 Mark

Part of the Periodic Table is shown. Which substance is an unreactive gas found in the atmosphere?

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A[Element at position A in Periodic Table]

B[Element at position B in Periodic Table]

C[Element at position C in Periodic Table]

D[Element at position D in Periodic Table]

✓ Correct answer

D: [Element at position D in Periodic Table]

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 2, question 32.

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