Stamford American International School
Ionic Bonds (Khan Academy)
Covalent Bonds (Khan Academy)
Types of Chemical Bonds: Crash Course Chemistry
Bonding Models: Crash Course Chemistry
Chemistry's Periodic Law (Britannica)
Organization of the Periodic Table (Britannica)
Interactive Periodic Table (Britannica)
Periodic Table of Elements (BrainPOP)
The Periodic Table: Crash Course Chemistry
Khan Academy - Chemistry