## Videos

## Introduction to the Atom, Elements, and Isotopes

1- Basic atomic structure- A look inside the atom

2- Atomic number, Mass and Net Charge

3- Practice Problems: Net Charge, Mass Number, Atomic Number

**Significant Figures**

1- Significant Figures made easy!

2- Significant Figures made easy (2)!

3- Significant Figures and Zero

4- Significant Zero Practice Problems

5- Multiplication and Division with Significant Zeros

6- Add and Subtract Significant Figures

7- Scientific Notation and Significant Figures

8- Scientific Notation and Significant Zeros