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1. The Chemical World

2. Measurement and Problem Solving

3. Matter and Energy

4. Atoms and Elements

5. Molecules and Compounds

6. Chemical Composition

7. Chemical Reactions

8. Quantities in Chemical Reactions

9. Electrons in Atoms and the Periodic Table

10. Chemical Bonding

11 Gases

12. Liquids, Solids, and Intermolecular Forces

13. Solutions

14. Acids and Bases

15. Chemical Equilibrium

16. Oxidation and Reduction

17. Radioactivity and Nuclear Chemistry

Default TOC

This Introduction to Chemistry study guide covers empirical/molecular formulas, moles, mass percent, and practice problems for effective exam prep.

Empirical and Molecular Formulas, The Mole, and Mass Percent in Chemistry

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Empirical Formula

Molecular Formula

Mole Concept

Calculating Molar Mass

Mass Percent

Density