Crash Course - YouTube - When You Need Someone to Explain the Material Again

I love these brothers' YouTube tutorials on history, biology, chemistry, and a bit more!

Chemistry with Tyler DeWitt - YouTube

Love these, Tyler DeWitt! A go-to resource for chemistry students.

Dynamic Periodic Table

Good reference tool when you're studying the periodic table. Thank you, James!

It's Elemental - Element Math Game

Making sense of:

Protons
Neutrons
Electrons
Atomic Mass
Atomic Number

Atomic Number, Mass Number, and Net Charge - 7 minute YouTube

Protons, Neutrons, and Electrons. Super short and clear visual explanation.