Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

Which statement best explains why O₂ is not considered a compound?
Options
A It does not consist of atoms.
B It does not contain different types of atoms.
Correct Answer
C It cannot undergo a chemical reaction.
D It is a gas at room temperature.
Correct Answer

Option B is the correct answer.

Detailed Explanation

A compound is a substance formed from two or more different chemical elements that are chemically bonded. O₂ is a molecule composed of two atoms of the same element (oxygen), so it is an element, not a compound.

Hint

What is the definition of a compound in terms of the types of atoms it contains?

Question Info