JAMB Chemistry 2021 Objective — Question 38

Question 38 of 41 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2021 Objective paper, with the correct answer and a full explanation.

The diatomic elements are nitrogen, oxygen, fluorine, hydrogen, chlorine, bromine and iodine. Which of the following elements is diatomic?

A. Neon
B. OxygenCorrect
C. Iron
D. Sodium

Explanation

The diatomic elements are H₂, N₂, O₂, F₂, Cl₂, Br₂ and I₂. Oxygen (O₂) is diatomic. Noble gases (Ne, Ar) are monoatomic; metals like Fe and Na are not diatomic.

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