Question Detail

CHM 101 Atoms and Atomic Theory Objective Question

Question

Which of the following is a triatomic molecule?
Options
A H2
B O2
C CO2
Correct Answer
D Cl2
Correct Answer

Option C is the correct answer.

Detailed Explanation

A triatomic molecule consists of exactly three atoms. CO2 (carbon dioxide) has one carbon atom and two oxygen atoms, totaling three atoms. H2, O2, and Cl2 are diatomic molecules.

Hint

Count the total number of atoms in each chemical formula.

Question Info