Cations and Anions Explained

5:47
Diatomic Elements & Molecules

19:12
How To Determine The Charge of Elements and Ions - Chemistry

29:45
How to Memorize The Polyatomic Ions - Formulas, Charges, Naming - Chemistry

3:01:41
Intro to Chemistry, Basic Concepts - Periodic Table, Elements, Metric System & Unit Conversion

13:49
Polar and Nonpolar Molecules

33:01
The Man Who Almost Broke Math (And Himself...)

16:34
A PIOR cirurgia da HISTÓRIA

7:47:08