Chemistry 0620 · 2 Atoms, elements and compounds
2.2 Atomic structure and the Periodic Table
Describe atomic structure (protons, neutrons, electrons), define atomic and mass numbers, determine electronic configurations (1-20), and relate outer electrons to groups.
- Questions
- 401
- Years
- 2010–2026
- Multiple choice
- 262
- Written answer
- 139
- Average marks
- 3.7
Practise atoms, elements and compounds questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 13183
- Paper 2variants 21, 22, 23108
- Paper 3variants 31, 32, 3372
- Paper 4variants 41, 42, 4338
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 6 | 17 | – | 23 |
| 2024 | – | 1 | – | 1 |
| 2023 | 4 | 18 | 12 | 34 |
| 2022 | 6 | 22 | 11 | 39 |
| 2021 | 6 | 18 | 17 | 41 |
| 2020 | – | 15 | 19 | 34 |
| 2019 | 6 | 16 | 20 | 42 |
| 2018 | 4 | 12 | 13 | 29 |
| 2017 | 3 | 13 | 13 | 29 |
| 2016 | 5 | 14 | 18 | 37 |
| 2015 | 2 | 14 | 15 | 31 |
| 2014 | – | 6 | 6 | 12 |
| 2013 | – | 6 | 9 | 15 |
| 2012 | – | 1 | 11 | 12 |
| 2011 | – | 5 | 4 | 9 |
| 2010 | – | 8 | 5 | 13 |
