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What is a molecule? And what is a compound?

User Dasha
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A molecule is a chemically aggregate of at least two atoms linked to each other by covalent bonds. Almost all conventional matter on Earth is made up of molecules. Individual atoms are rarely found. A molecule is the smallest amount of a compound that can exist and still exhibit the chemical characteristics of that compound. For example, oxygen and hydrogen atoms are bonded together in a water molecule.

On the other hand, a compound is a substance containing two or more elements formed by a chemical reaction that bonds their atoms together.

User AWS PS
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