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Atoms, compounds, and ions

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Preparing to study chemistryIntroduction to chemistryElements and atomsAtomic number, mass number, and isotopesAtomic weight and atomic massThe mole and Avogadro's numberIsotopes and mass spectrometry
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Dalton's atomic theoryMolecules and compoundsEmpirical, molecular, and structural formulasMolecular mass and molecular weightNaming monatomic ions and ionic compoundsPolyatomic ionsCommon polyatomic ions
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Isotopes and mass spectrometry
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