CAIE IGCSE Chemistry 2.2.5 Electronic Configuration of Elements Questions
Use electron configurations to identify atoms, ions and stable ion formation.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Use electron configurations to identify atoms, ions and stable ion formation.
What is the total number of electrons in one molecule of ammonia, NH3 ?
6
8
10
11
C