Chemistry 5070 · 2 Atoms, elements and compounds
2.2 Atomic structure and the Periodic Table
Describe atomic structure, subatomic particles, charges, masses, electronic configurations (proton numbers 1-20), and relate electron shells to Periodic Table periods and groups.
- Questions
- 141
- Years
- 2005–2026
- Multiple choice
- 115
- Written answer
- 26
- Average marks
- 2.3
Practise atoms, elements and compounds questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 01, 11, 12115
- Paper 2variants 02, 21, 2226
Questions by year
| Year | May/June | Oct/Nov | Total |
|---|---|---|---|
| 2026 | 3 | – | 3 |
| 2023 | 11 | 9 | 20 |
| 2022 | 7 | 6 | 13 |
| 2021 | 7 | 4 | 11 |
| 2020 | 7 | 10 | 17 |
| 2019 | 11 | 3 | 14 |
| 2018 | 6 | 5 | 11 |
| 2017 | 6 | 6 | 12 |
| 2016 | 2 | 6 | 8 |
| 2015 | 4 | 3 | 7 |
| 2009 | 2 | 3 | 5 |
| 2008 | 2 | 2 | 4 |
| 2007 | 2 | 2 | 4 |
| 2006 | 5 | 3 | 8 |
| 2005 | – | 4 | 4 |