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Avogadro's number refers to ___. the maximum number of electrons that all of an atom's energy levels can accommodate the number of protons and neutrons that can fit in the shells of an atom's nucleus the number of particles in one mole of a substance the number of particles in exactly 1.0 g of a substance

User Chkimes
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valance electrons I believe :)
User Mikeplate
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The number of particles in one mole of a substance.

User Sandeep B
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