Which of the following elements is diatomic?

Assessment: WAEC SSCE - Chemistry - 2013 (Objective) Subject: Chemistry

Question 1 Report

Which of the following elements is diatomic?

Answer Details
The term "diatomic" refers to an element that can exist as a molecule composed of two atoms. Out of the options given, only oxygen is diatomic, existing as O2. Sodium exists as a single atom (Na), iron as a solid metal, and neon as a noble gas with single atoms. Therefore, the correct answer is Oxygen.
Read lesson note on Structure Of The Atom (WAEC)
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