WAEC Chemistry 2010 Objective — Question 9
Question 9 of 49 from the West African Examinations Council (WAEC) Chemistry 2010 Objective paper, with the correct answer and a full explanation.
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Which of the following elements is diatomic?
- A. A. Iron
- B. B. Neon
- C. C. OxygenCorrect
- D. D. Sodium
Explanation
Iron, neon and sodium are monatomic while oxygen is diatomic. Other diatomic elements are hydrogen, nitrogen, fluorine, chlorine, bromine and iodine.
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