Which of these structures is a diatomic molecule?
A) I
B) II
C) III
D) IV
E) V

Name: Which of these structures is a diatomic molecule? A) I B) II C) III D) IV E) V
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Question

Which of these structures is a diatomic molecule? 
A) I 
B) II 
C) III 
D) IV 
E) V

Quizplus · Accepted Answer

A diatomic molecule is a molecule composed of two atoms, and only option A (Iodine) fits this definition. The other options either have more than two atoms (II, III, and V) or are not molecules but ions (IV - ammonium ion).

Which of These Structures Is a Diatomic Molecule