What is the term for a group of atoms held together by covalent bonds that bears an overall negative or positive charge?

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A polyatomic ion is a group of atoms held together by covalent bonds that bears an overall negative or positive charge. A formula unit is the smallest whole number ratio of ions in an ionic compound, while a molecule is a group of atoms held together by covalent bonds that does not have an overall charge. A monoatomic ion is a single atom that has gained or lost electrons, resulting in a positive or negative charge.

What Is the Term for a Group of Atoms Held