Chemistry

Introduction to Physical Sciences

• The Scientific Method: Steps, Examples, Tips, and Exercise

• Scientific Knowledge - What’s the difference between a scientific law and theory?

• Fact vs. Theory vs. Hypothesis vs. Law… EXPLAINED!

Scientific Models and Measurements

• General Chemistry 1: Chapter 1 - Chemical Foundations Lecture

• Lesson Activity: Comparing Scientific Models (Slide 9)

• Units of Measure: Scientific Measurements & SI System

• Scientific Notation - Fast Review!

Classifying Matter

• States of Matter - Solids, Liquids, Gases & Plasma

• Physical States of Matter - Solids, Liquids, and Gases

• Lesson Activity: States of Matter (Slide 9)

• Phases of Matter and the Phase Changes

• Changes of State | Properties of Matter

• Bose-Einstein Condensate

• Elements, Compounds, Mixtures, and Pure Substances

• Types of Matter: Elements, Compounds, and Mixtures

Properties and Changes of Matter

• What is Density? | Mass Volume & Density

• Density Practice Problems

• Lesson Activity: Investigating Density (Slide 11) 

• Physical and Chemical Properties of Matter

• Extensive vs Intensive Properties of Matter - Explained

• Physical Vs. Chemical Changes - Explained

Structure of the Atom

• GCSE Chemistry - History of the Model of the Atom

• Early Atomic Theory: Dalton, Thomson, Ruthorford and Millikan

• What Are The Different Atomic Models? Dalton, Rutherford, Bohr and Heisenberg Models Explained

• Electron Arrangement - Bohr vs Schrödinger

• Lesson Activity: Rutherford Scattering (Slide 19) 

• Atomic Structure And Electrons - Structure Of An Atom - What Are Atoms - Neutrons Protons Electrons

• How Small is an Atom?

• What's an Ion?

• Nuclide Symbols: Atomic Number, Mass Number, Ions, and Isotopes

• What are Isotopes?

• How to Calculate Atomic Mass Practice Problems

The Periodic Table

• Periodic Table

• The Periodic Table: Atomic Radius, Ionization Energy, and Electronegativity

• The Periodic Table | Atoms, elements, and the periodic table

• Finding the Number of Valence Electrons for an Element

• Valence Electrons and the Periodic Table

Periodic Trends of the Elements

• Energy Levels, Sublevels, and Orbitals

• How to draw Electron-in-box diagrams Electronic Configurations?

• Using the Diagonal Rule to Write Electron Configurations

• How to Write the Electron Configuration for an Element in Each Block

• Electron Configuration With Noble Gas Notation

• Electron Configuration Exceptions

• Atomic radii trends

• Ionic and Atomic Radius - Periodic Trends

• Trends in the Periodic Table — Reactivity!

Ionic Compounds and Metals

• Ionic Bonding! (Definition and Examples)

• How to Find Valence Electrons! (and Total Electrons)

• Naming Ionic Compounds! (Simple Binary Ionic)

• Criss-Cross Method for Writing Formulas for Ionic Compounds

• Metallic Bonding

Covalent Compounds

• Covalent Bonding! (Definition and Examples)

• Naming Covalent Molecular Compounds

• Lewis Diagrams Made Easy: How to Draw Lewis Dot Structures

• Lewis Structures Made Easy: Examples and Tricks

Complex Compounds

• What's a polyatomic ion?

• Bonding in Polyatomic Ions and Compounds

• Writing Formulas with Polyatomic Ions

• How to Calculate Oxidation Numbers Introduction

• Naming Ionic Compounds with Transition Metals Introduction

Organic Compounds

• Hydrocarbons and Alkanes Explained

• How to write the structure for 2-Methylbutane (including Skeletal)

• How Write the Structure for 3-Ethylpentane (including Skeletal)

• Alkanes & Alkenes

• Alkanes, Alkenes, Alkynes

• Drawing alkanes, alkenes, alkynes using structural, condensed and line structures (slide 30)

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• GCSE Chemistry - Alcohols

• GCSE Chemistry - Carboxylic Acids

Chemical Reaction Patterns

• Chemical Equation Basics

• Exothermic vs Endothermic Chemical Reactions

• How to Balance Chemical Equations in 5 Easy Steps

• Types of Chemical Reactions

Advanced Reaction Patterns

• Solubility Rules and How to Use a Solubility Table (PDF Solubility Table)

• Precipitation Reactions - Using the Solubility Rules