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A-LevelChemistryAtomic structureMay/June 2023Paper 2 Q113 Marks

Tellurium is an element in Group 16. The most common isotope of tellurium is ¹³⁰Te. Its electronic configuration is [Kr] 4d¹⁰ 5s² 5p⁴.

Q: What topic does this question test?

This question tests Atomic structure in A-Level Chemistry (syllabus code 9701). It is worth 13 marks.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Chemistry Question

Topic

This structured question tests Atomic structure in A-Level Chemistry (syllabus code 9701). It is worth 13 marks.

Source

This question appeared in the Cambridge A-Level Chemistry May/June 2023 examination, Paper 2 Variant 1.

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