WAEC Chemistry 2015 Objective — Question 50
Question 50 of 50 from the West African Examinations Council (WAEC) Chemistry 2015 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following gases is monoatomic?
- A. ArgonCorrect
- B. Chlorine
- C. Nitrogen
- D. Oxygen
Explanation
Argon, a noble gas, exists as single (monoatomic) atoms, while chlorine, nitrogen and oxygen exist as diatomic molecules.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.