Which molecule is made of carbon and oxygen atoms?

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Multiple Choice

Which molecule is made of carbon and oxygen atoms?

Explanation:
Understanding which molecules are made from specific elements requires looking at chemical composition. A molecule is a group of atoms bonded together. Carbon dioxide is a molecule that includes both carbon and oxygen atoms — its formula is CO2, with one carbon atom bonded to two oxygen atoms. This makes it a compound containing carbon and oxygen. In contrast, oxygen as a molecule is O2 (only oxygen atoms), water is H2O (hydrogen and oxygen but no carbon), and carbon by itself is just elemental carbon with no oxygen. So the molecule made of carbon and oxygen is carbon dioxide.

Understanding which molecules are made from specific elements requires looking at chemical composition. A molecule is a group of atoms bonded together. Carbon dioxide is a molecule that includes both carbon and oxygen atoms — its formula is CO2, with one carbon atom bonded to two oxygen atoms. This makes it a compound containing carbon and oxygen. In contrast, oxygen as a molecule is O2 (only oxygen atoms), water is H2O (hydrogen and oxygen but no carbon), and carbon by itself is just elemental carbon with no oxygen. So the molecule made of carbon and oxygen is carbon dioxide.

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