Chemistry 0620 · 2 Atoms, elements and compounds
2.5 Simple molecules and covalent bonds
Define covalent bonds, draw dot-and-cross diagrams for simple molecules, and explain their low melting/boiling points and poor electrical conductivity using intermolecular forces.
- Questions
- 282
- Years
- 2010–2026
- Multiple choice
- 155
- Written answer
- 127
- Average marks
- 5.4
Practise atoms, elements and compounds questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 13102
- Paper 2variants 21, 22, 2376
- Paper 3variants 31, 32, 3364
- Paper 4variants 41, 42, 4340
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 2 | 11 | – | 13 |
| 2024 | – | 1 | – | 1 |
| 2023 | 5 | 12 | 7 | 24 |
| 2022 | 3 | 10 | 8 | 21 |
| 2021 | 4 | 16 | 15 | 35 |
| 2020 | – | 10 | 11 | 21 |
| 2019 | 1 | 8 | 8 | 17 |
| 2018 | 2 | 8 | 16 | 26 |
| 2017 | 3 | 7 | 14 | 24 |
| 2016 | 9 | 15 | 6 | 30 |
| 2015 | 4 | 8 | 6 | 18 |
| 2014 | – | 2 | 3 | 5 |
| 2013 | – | 6 | 3 | 9 |
| 2012 | – | 5 | 7 | 12 |
| 2011 | – | 6 | 6 | 12 |
| 2010 | – | 7 | 7 | 14 |
