Unit 1
- Page ID
- 136157
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- 1: Matter
- 1.1: What is Matter?
- 1.2: Classifying Matter According to Its State: Solid, Liquid, and Gas
- 1.3: Classifying Matter According to Its Composition
- 1.4: Differences in Matter: Physical and Chemical Properties
- 1.5: Changes in Matter - Physical and Chemical Changes
- 1.6: Cutting Alumimun until you get Atoms
- 1.7: Indivisible - The Atomic Theory
- 1.8: The Nuclear Atom
- 1.9: The Properties of Protons, Neutrons, and Electrons
- 1.10: Elements: Defined by Their Number of Protons
- 1.11: Looking for Patterns: The Periodic Table
- 1.12: Ions - Losing and Gaining Electrons
- 1.13: Compounds Display Constant Composition
- 1.14: Chemical Formulas: How to Represent Compounds
- 1.15: Naming Molecular Compounds
- 1.16: Structure and Composition of the Atmosphere
- 1.17: Conservation of Mass - There is No New Matter
- 1.18: Evidence of a Chemical Reaction
- 1.19: Chemical Equations
- 1.20: How to Write Balanced Chemical Equations