Chemistry

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Which letter of the term that is NOT a representative particle of a substance.

a)molecule b)atom c)grain d)formulaunit

Was ist der "Grain"?

what is the representative particle for the substance moelcular compounds?

an can you show me how you got the representative paricle so i know what to do when doing other substances?

Thanks

Substances consist of molecules and atoms. A formula unit is a certain formula consisting of atoms and molecules.

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