A-LevelChemistryChemical energeticsFeb/Mar 2017Paper 4 Q210 Marks
Complete the table using ticks (√) to indicate whether the sign of each type of energy change, under standard conditions, is always positive, always negative or could be either positive or negative. [Table with columns: 'energy change', 'always positive', 'always negative', 'either positive or negative' and rows: 'electron affinity', 'enthalpy change of atomisation', 'ionisation energy', 'lattice energy']
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of chemical energetics 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