What is the difference between a molecule vs. a compound?


Quick Answer

A molecule is a group of two or more atoms bonded together, while a compound is a group of two or more atoms bonded together where the atoms are from at least two types of elements. All compounds are also molecules, but all molecules are not compounds.

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Full Answer

For example, the formula H2O is both a molecule and a compound, but H2 is just a molecule since it only contains hydrogen atoms. In inorganic chemistry, the term molecule is typically restricted to compounds with a neutral charge, while the term ion refers to bonded atoms with either a positive or negative charge.

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