What is the term for a chemical formula that expresses the simplest whole number ratio of atoms of each element in a molecule,or of ions in a formula unit?

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The term for a chemical formula that expresses the simplest whole number ratio of atoms of each element in a molecule, or of ions in a formula unit is called the empirical formula. A molecular formula expresses the actual number of atoms of each element in a molecule, while an elemental formula represents the symbols of the elements present in a compound. An atomic formula is not a commonly used term.

What Is the Term for a Chemical Formula That Expresses