A-LevelChemistryAtomic structureOct/Nov 2016Paper 1 Q51 Mark
What is the electronic configuration of an isolated Ni²⁺ ion?
A1s²2s²2p⁶3s²3p⁶3d⁸4s²
B1s²2s²2p⁶3s²3p⁶3d⁸4s²
C1s²2s²2p⁶3s²3p⁶3d¹⁰4s²
D1s²2s²2p⁶3s²3p⁶3d⁸
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of atomic structure within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep