How many oxygen atoms are there in carbon dioxide?
Understand the Problem
The question is asking for the number of oxygen atoms present in the chemical compound carbon dioxide (CO2). Carbon dioxide is composed of one carbon atom and two oxygen atoms.
Answer
Two oxygen atoms.
There are two oxygen atoms in a molecule of carbon dioxide.
Answer for screen readers
There are two oxygen atoms in a molecule of carbon dioxide.
More Information
Carbon dioxide (CO2) is a simple molecule composed of one carbon atom and two oxygen atoms. It is a significant greenhouse gas contributing to the Earth's heat retention.
Tips
A common mistake is confusing the subscript '2' in CO2 with the number of carbon atoms, rather than the oxygen atoms.
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