Igcse Model Questions Vol1 2025 Chemistry Question 9
Practice objective / multiple choice question 9 from the 2025 Igcse Model Questions Vol1 Chemistry examination.
Chlorine has atomic number 17. Write its ground‑state electron configuration and state how many electrons are present in the third principal energy level (n = 3).
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About This Question
This is Igcse Model Questions Vol1 2025 Chemistry Question 9. It is one of the objective questions from the 2025 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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