Chemistry 5070 · 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 points and poor electrical conductivity.
- Questions
- 100
- Years
- 2004–2026
- Multiple choice
- 67
- Written answer
- 33
- Average marks
- 3.6
Practise atoms, elements and compounds questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 01, 11, 1267
- Paper 2variants 02, 21, 2233
Questions by year
| Year | May/June | Oct/Nov | Total |
|---|---|---|---|
| 2026 | 2 | – | 2 |
| 2023 | 4 | 3 | 7 |
| 2022 | 5 | 4 | 9 |
| 2021 | 4 | 7 | 11 |
| 2020 | 4 | 6 | 10 |
| 2019 | 5 | 6 | 11 |
| 2018 | 2 | 7 | 9 |
| 2017 | 4 | – | 4 |
| 2016 | 2 | 3 | 5 |
| 2015 | 5 | 1 | 6 |
| 2009 | 1 | 1 | 2 |
| 2008 | 3 | 3 | 6 |
| 2007 | 3 | 5 | 8 |
| 2006 | 2 | 4 | 6 |
| 2005 | – | 2 | 2 |
| 2004 | – | 2 | 2 |
