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A-LevelChemistryAtomic structure9701/12 · May/June 2019 · Q131 Mark

The eight elements sodium to argon are in the same period of the Periodic Table. The equation corresponding to the first ionisation energy is shown. X(g) → X⁺(g) + e⁻ For which of these eight elements is the electron in this equation removed from a filled orbital?

AMg, Al, Si, P, S, Cl and Ar
BAl, Si, P, S, Cl and Ar only
CMg, S, Cl and Ar only
DS, Cl and Ar only

✓ Correct answer

C: Mg, S, Cl and Ar only

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About this question

Topic
Atomic structure, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2019 Paper 1 Variant 2, question 13.

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