Cambridge (CAIE) · IGCSE
Chemistry question 23
0620/21 · Oct/Nov 2025 · Multiple Choice (Extended)
Syllabus topics
- Noble gases
- Atomic structure and the Periodic Table
- Group I properties
- Transition elements
- Arrangement of elements
- Group VII properties
- Isotopes
Question 23
0620/21 · Oct/Nov 2025
1 mark