Videos
Acids and Bases
A Colorful Magic Trick with Acids and Bases
Atomic Basics
Basic Atomic Structure: A Look Inside the Atom
What are Isotopes?
Atomic Number, Mass Number, and Net Charge
Practice Problems: Net Charge, Mass Number, Atomic Number
Isotopes and Elements Practice Problems
What are the Diatomic Elements?
Super Common Mistake: Diatomic Elements
What's the Difference between an Atom and a Molecule?
Biggest Mistakes in Chemistry: Polyatomic Ions
Huge Misconception: Protons, Electrons, Atoms, and Ions
Atomic Mass
What's the Difference between Mass Number and Atomic Weight?
What's the Difference between Mass Number and Atomic Mass?
Atomic Mass: How to Calculate Isotope Abundance
How to Calculate Atomic Mass Practice Problems
Atomic Mass Calculations: Extra Help and Explanation
Chemical Bonding
Bonding in Polyatomic Ions and Compounds
Valence Electrons and the Periodic Table
Ionic Bonding FAQ: Valence Electrons 1
Ionic Bonding FAQ: Valence Electrons 2
Chemical Equations
Balancing Chemical Equations Practice Problems
Introduction to Balancing Chemical Equations
Chemical Formulas
Writing Ionic Formulas: Introduction
Writing Ionic Formulas: Practice Problems
Writing Formulas with Polyatomic Ions
Transition Metals in Ionic Formulas
Writing Ionic Formulas with Transition Metals
Naming Ionic Compounds with Transition Metals Introduction
Naming Ionic Compounds with Transition Metals Practice Problems
Naming Covalent Molecular Compounds
Naming Acids Practice Problems
Chemical Reactions
Classifying Types of Chemical Reactions Practice Problems
Density
Density: A Story of Archimedes and the Gold Crown
Electrochemistry
Introduction to Electrochemistry
Galvanic Cells (Voltaic Cells)
Empirical Formula
Writing Empirical Formula Practice Problems
Calculating Molecular Formula from Empirical Formula
Empirical Formula and Molecular Formula Introduction
Gases
The Kinetic Molecular Theory of Gas (part 1)
The Kinetic Molecular Theory of Gas (part 2)
Gay Lussac's Law Practice Problems
Gay Lussac's Law Practice Problems (part 2)
Ideal Gas Law Practice Problems
Ideal Gas Law: Where did R come from?
Ideal Gas Law Practice Problems with Molar Mass
Ideal Gas Law Practice Problems with Density
Rearranging the Combined Gas Equation
Rearranging Charles', Gay-Lussac's, and Avogadro's Laws
Gas Equation FAQ and Extra Help
Be Lazy! Don't Memorize the Gas Laws!
What's the Point of Kelvin Temperatures?
Measuring Gas Pressure and Atmospheric Pressure
Gas Stoichiometry: Equations Part 1
Gas Stoichiometry: Equations Part 2
General Science Videos
Sodium Explodes in Water...Why Doesn't Salt?!?
Scientific Adventures at the Shell Energy Lab!
The Immune System: B Cell, T Cell, Soldier, Spy
Why Does Everyone Hate Science?
Intermolecular Forces
Hydrogen Bonding and Common Mistakes
Don't make this mistake with Hydrogen Bonding!
Mixtures
Separating Liquids with Distillation
Separating Mixtures with Distillation
Molecular Structure
VSEPR Theory Practice Problems
VSEPR Theory Part 2: Trigonal Bipyramidal Family
VSEPR Theory Part 3: Octahedral Family
VSEPR Theory Practice Problems (Advanced)
Moles
Counting Atoms: Intro to Moles Part 2
The Most Common Mistake with Moles!
How to Calculate Molar Mass Practice Problems
Converting Between Moles, Atoms, and Molecules
Converting between Moles, Atoms, and Molecules (Part 2)
Converting Between Grams and Moles
Converting Between Grams and Moles (Part 2)
Calculate the Mass of a Single Atom or Molecule
Converting Between Moles and Liters of a Gas at STP
Whats the difference between a Mole and a Molecule?
Nuclear Chemistry
Nuclear Half Life: Intro and Explanation
Nuclear Half Life: Calculations
Oxidation Reduction (Redox)
Introduction to Oxidation Reduction (Redox) Reactions
The Oxidation Reduction Question that Tricks Everyone!
How to Calculate Oxidation Numbers Introduction
How to Calculate Oxidation Number Practice Problems
Oxidizing Agents and Reducing Agents
How to Balance Redox Equations in Acidic Solution
How to Balance Redox Equations in Acidic Solution Example 1
Balance Redox Equations in Acid Example 2 (Advanced)
How to Balance Redox Equations in Basic Solution
Balancing Redox Equations in Basic Solution Example Problem
Percent Composition
Percent Composition Common Mistakes
Periodic Trends
Ionizing Energy and Atomic Radius
Phases of Matter
How does a liquid become a gas?
Biggest Mistakes in Chemistry: Boiling and Evaporation
Biggest Mistakes in Chemistry: Dissolving
Scientific Notation
Accuracy and Precision (Part 2)
Scientific Notation: Multiplication and Division
Scientific Notation: Addition and Subtraction
Scientific Notation: Introduction
Fixing Incorrect Scientific Notation
Scientific Notation Practice Problems
Significant Figures
Significant Figures Made Easy!
Significant Figures Made Easy! (1.2)
Significant Figures and Zero (1.3)
Significant Zero Practice Problems (1.4)
Multiplication and Division with Significant Zeros (1.5)
Add and Subtract with Significant Figures (1.6)
Scientific Notation and Significant Figures (1.7)
Scientific Notation and Significant Zeros (1.8)
Using Significant Figures Practice Problems (1.9)
Why are Significant Figures Important?
Significant Figures with Counting Numbers and Measurements
Solutions
What Happens when Stuff Dissolves?
Molarity Practice Problems (Part 2)
What's the Difference Between Molarity and Molality?
What's the Point of Molality?!?
Stoichiometry
Introduction to Limiting Reactant and Excess Reactant
Limiting Reactant Practice Problem
Limiting Reactant Practice Problem (Advanced)
Structure of the Atom
Atomic Structure: Discovery of the Neutron
Discovery of the Nucleus: Rutherford's Gold Foil Experiment
Discovery of the Electron: Cathode Ray Tube Experiment
Charge of an Electron: Millikan's Oil Drop Experiment
Teaching
Interaction Matters in Online Teaching
PatrickJMT, BozemanScience, and Tyler talk about Learning
Thermochemistry
Introduction to Thermochemistry and Enthalpy
Phase Changes: Exothermic or Endothermic?
Tricky Question: Exothermic or Endothermic?
Thermochemical Equations Practice Problems
Food Calorimetry Lab: Explanation
Food Calorimetry Lab: Calculations
Food Calorimetry: Common Mistakes
Unit Conversion
Converting Units with Conversion Factors
Converting Units using Multiple Conversion Factors
Multiple Conversion Factors (Part 2)
Understanding Conversion Factors
Converting Metric Units of Volume
Unit Conversions with Area and Volume