Science Help Videos Chem 1.1 - Atom basics - protons, electrons and neutrons Chem 1.2 - Discovery of the Proton Chem 1.3 - Reading the Periodic Table Basics Chem 1.4 - Drawing the Bohr Model Chem 1.5 - What are covalent and ionic bonds? Chem 1.6 - Naming covalent bonds Chem 1.7 - Naming Ionic compounds Chem 1.8 Naming compounds with roman numerals Chem 1.9 - Naming ionic compounds with polyatomic ions Chem 1.10 - Law of Conservation of Mass Chem 1.14 - pH indicators - litmus paper and phenolphthalein Chem 1.12 - Acids and Bases basics Chem 1.15 Types of reactions - synthesis, decomposition, single, double displacement, combustion Chemistry for Dummies Assignment Intro Sample Chemistry for Dummies video by students