2. Atoms and the Periodic Table
Law of Definite Proportions Practice Problems
Skip to main content
Table of contents
- 1. Matter and Measurements(0)
- What is Chemistry?(0)
- The Scientific Method(0)
- Classification of Matter(0)
- States of Matter(0)
- Physical & Chemical Changes(0)
- Chemical Properties(0)
- Physical Properties(0)
- Intensive vs. Extensive Properties(0)
- Temperature (Simplified)(0)
- Scientific Notation(0)
- SI Units (Simplified)(0)
- Metric Prefixes(0)
- Significant Figures (Simplified)(0)
- Significant Figures: Precision in Measurements(0)
- Significant Figures: In Calculations(0)
- Conversion Factors (Simplified)(0)
- Dimensional Analysis(0)
- Density(0)
- Specific Gravity(0)
- Density of Geometric Objects(0)
- Density of Non-Geometric Objects(0)
- 2. Atoms and the Periodic Table(0)
- The Atom (Simplified)(0)
- Subatomic Particles (Simplified)(0)
- Isotopes(0)
- Ions (Simplified)(0)
- Atomic Mass (Simplified)(0)
- Atomic Mass (Conceptual)(0)
- Periodic Table: Element Symbols(0)
- Periodic Table: Classifications(0)
- Periodic Table: Group Names(0)
- Periodic Table: Representative Elements & Transition Metals(0)
- Periodic Table: Elemental Forms (Simplified)(0)
- Periodic Table: Phases (Simplified)(0)
- Law of Definite Proportions(0)
- Atomic Theory(0)
- Rutherford Gold Foil Experiment(0)
- Wavelength and Frequency (Simplified)(0)
- Electromagnetic Spectrum (Simplified)(0)
- Bohr Model (Simplified)(0)
- Emission Spectrum (Simplified)(0)
- Electronic Structure(0)
- Electronic Structure: Shells(0)
- Electronic Structure: Subshells(0)
- Electronic Structure: Orbitals(0)
- Electronic Structure: Electron Spin(0)
- Electronic Structure: Number of Electrons(0)
- The Electron Configuration (Simplified)(0)
- Electron Arrangements(0)
- The Electron Configuration: Condensed(0)
- The Electron Configuration: Exceptions (Simplified)(0)
- Ions and the Octet Rule(0)
- Ions and the Octet Rule (Simplified)(0)
- Valence Electrons of Elements (Simplified)(0)
- Lewis Dot Symbols (Simplified)(0)
- Periodic Trend: Metallic Character(0)
- Periodic Trend: Atomic Radius (Simplified)(0)
- 3. Ionic Compounds(0)
- Periodic Table: Main Group Element Charges(0)
- Periodic Table: Transition Metal Charges(0)
- Periodic Trend: Ionic Radius (Simplified)(0)
- Periodic Trend: Ranking Ionic Radii(0)
- Periodic Trend: Ionization Energy (Simplified)(0)
- Periodic Trend: Electron Affinity (Simplified)(0)
- Ionic Bonding(0)
- Naming Monoatomic Cations(0)
- Naming Monoatomic Anions(0)
- Polyatomic Ions(0)
- Naming Ionic Compounds(0)
- Writing Formula Units of Ionic Compounds(0)
- Naming Ionic Hydrates(0)
- Naming Acids(0)
- 4. Molecular Compounds(0)
- Covalent Bonds(0)
- Naming Binary Molecular Compounds(0)
- Molecular Models(0)
- Bonding Preferences(0)
- Lewis Dot Structures: Neutral Compounds (Simplified)(0)
- Multiple Bonds(0)
- Multiple Bonds (Simplified)(0)
- Lewis Dot Structures: Multiple Bonds(0)
- Lewis Dot Structures: Ions (Simplified)(0)
- Lewis Dot Structures: Exceptions (Simplified)(0)
- Resonance Structures (Simplified)(0)
- Valence Shell Electron Pair Repulsion Theory (Simplified)(0)
- Electron Geometry (Simplified)(0)
- Molecular Geometry (Simplified)(0)
- Bond Angles (Simplified)(0)
- Dipole Moment (Simplified)(0)
- Molecular Polarity (Simplified)(0)
- 5. Classification & Balancing of Chemical Reactions(0)
- Chemical Reaction: Chemical Change(0)
- Law of Conservation of Mass(0)
- Balancing Chemical Equations (Simplified)(0)
- Solubility Rules(0)
- Molecular Equations(0)
- Types of Chemical Reactions(0)
- Complete Ionic Equations(0)
- Calculate Oxidation Numbers(0)
- Redox Reactions(0)
- Spontaneous Redox Reactions(0)
- Balancing Redox Reactions: Acidic Solutions(0)
- Balancing Redox Reactions: Basic Solutions(0)
- Balancing Redox Reactions (Simplified)(0)
- Galvanic Cell (Simplified)(0)
- 6. Chemical Reactions & Quantities(0)
- 7. Energy, Rate and Equilibrium(0)
- Nature of Energy(0)
- First Law of Thermodynamics(0)
- Endothermic & Exothermic Reactions(0)
- Bond Energy(0)
- Thermochemical Equations(0)
- Heat Capacity(0)
- Thermal Equilibrium (Simplified)(0)
- Hess's Law(0)
- Rate of Reaction(0)
- Energy Diagrams(0)
- Chemical Equilibrium(0)
- The Equilibrium Constant(0)
- Le Chatelier's Principle(0)
- Solubility Product Constant (Ksp)(0)
- Spontaneous Reaction(0)
- Entropy (Simplified)(0)
- Gibbs Free Energy (Simplified)(0)
- 8. Gases, Liquids and Solids(0)
- Pressure Units(0)
- Kinetic Molecular Theory(0)
- The Ideal Gas Law(0)
- The Ideal Gas Law Derivations(0)
- The Ideal Gas Law Applications(0)
- Chemistry Gas Laws(0)
- Chemistry Gas Laws: Combined Gas Law(0)
- Standard Temperature and Pressure(0)
- Dalton's Law: Partial Pressure (Simplified)(0)
- Gas Stoichiometry(0)
- Intermolecular Forces (Simplified)(0)
- Intermolecular Forces and Physical Properties(0)
- Atomic, Ionic and Molecular Solids(0)
- Heating and Cooling Curves(0)
- 9. Solutions(0)
- Solutions(0)
- Solubility and Intermolecular Forces(0)
- Solutions: Mass Percent(0)
- Percent Concentrations(0)
- Molarity(0)
- Osmolarity(0)
- Parts per Million (ppm)(0)
- Solubility: Temperature Effect(0)
- Intro to Henry's Law(0)
- Henry's Law Calculations(0)
- Dilutions(0)
- Solution Stoichiometry(0)
- Electrolytes (Simplified)(0)
- Equivalents(0)
- Molality(0)
- The Colligative Properties(0)
- Boiling Point Elevation(0)
- Freezing Point Depression(0)
- Osmosis(0)
- Osmotic Pressure(0)
- 10. Acids and Bases(0)
- Acid-Base Introduction(0)
- Arrhenius Acid and Base(0)
- Bronsted Lowry Acid and Base(0)
- Acid and Base Strength(0)
- Ka and Kb(0)
- The pH Scale(0)
- Auto-Ionization(0)
- pH of Strong Acids and Bases(0)
- Acid-Base Equivalents(0)
- Acid-Base Reactions(0)
- Gas Evolution Equations (Simplified)(0)
- Ionic Salts (Simplified)(0)
- Buffers(0)
- Henderson-Hasselbalch Equation(0)
- Strong Acid Strong Base Titrations (Simplified)(0)
- 11. Nuclear Chemistry(0)
- BONUS: Lab Techniques and Procedures(0)
- BONUS: Mathematical Operations and Functions(0)
- 12. Introduction to Organic Chemistry(0)
- 13. Alkenes, Alkynes, and Aromatic Compounds(0)
- 14. Compounds with Oxygen or Sulfur(0)
- 15. Aldehydes and Ketones(0)
- 16. Carboxylic Acids and Their Derivatives(0)
- 17. Amines(0)
- 18. Amino Acids and Proteins(0)
- 19. Enzymes(0)
- 20. Carbohydrates(0)
- Intro to Carbohydrates(0)
- Classification of Carbohydrates(0)
- Fischer Projections(0)
- Enantiomers vs Diastereomers(0)
- D vs L Enantiomers(0)
- Cyclic Hemiacetals(0)
- Intro to Haworth Projections(0)
- Cyclic Structures of Monosaccharides(0)
- Mutarotation(0)
- Reduction of Monosaccharides(0)
- Oxidation of Monosaccharides(0)
- Glycosidic Linkage(0)
- Disaccharides(0)
- Polysaccharides(0)
- 21. The Generation of Biochemical Energy(0)
- 22. Carbohydrate Metabolism(0)
- 23. Lipids(0)
- Intro to Lipids(0)
- Fatty Acids(0)
- Physical Properties of Fatty Acids(0)
- Waxes(0)
- Triacylglycerols(0)
- Triacylglycerol Reactions: Hydrogenation(0)
- Triacylglycerol Reactions: Hydrolysis(0)
- Triacylglycerol Reactions: Oxidation(0)
- Glycerophospholipids(0)
- Sphingomyelins(0)
- Steroids(0)
- Cell Membranes(0)
- Membrane Transport(0)
- 24. Lipid Metabolism(0)
- 25. Protein and Amino Acid Metabolism(0)
- 26. Nucleic Acids and Protein Synthesis(0)
- Intro to Nucleic Acids(0)
- Nitrogenous Bases(0)
- Nucleoside and Nucleotide Formation(0)
- Naming Nucleosides and Nucleotides(0)
- Phosphodiester Bond Formation(0)
- Primary Structure of Nucleic Acids(0)
- Base Pairing(0)
- DNA Double Helix(0)
- Intro to DNA Replication(0)
- Steps of DNA Replication(0)
- Types of RNA(0)
- Overview of Protein Synthesis(0)
- Transcription: mRNA Synthesis(0)
- Processing of pre-mRNA(0)
- The Genetic Code(0)
- Introduction to Translation(0)
- Translation: Protein Synthesis(0)