Chemistry 9701 · 23 Chemical energetics
23.1 Lattice energy and Born-Haber cycles
Define atomisation, lattice energy, and electron affinity; construct Born-Haber cycles and calculate related energy values.
- Questions
- 39
- Years
- 2016–2026
- Multiple choice
- 7
- Written answer
- 32
- Average marks
- 10.9
Practise chemical energetics questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 41, 42, 43, 4432
- Paper 1variants 11, 12, 137
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 3 | – | 3 |
| 2023 | 1 | 3 | 1 | 5 |
| 2022 | – | 3 | 2 | 5 |
| 2021 | 1 | 2 | 4 | 7 |
| 2020 | 1 | 2 | 3 | 6 |
| 2019 | 1 | 1 | 1 | 3 |
| 2018 | – | 2 | – | 2 |
| 2017 | 1 | 1 | 1 | 3 |
| 2016 | 2 | 2 | 1 | 5 |
