1. All Need to Know About Atoms

2. Element A substance made from only one type of atom
Cannot be broken down chemically into a simpler substance

3. Atom
The smallest unit of an element that has the chemical properties of that element

4. Protons and Electrons
Proton- subatomic particle with a positive charge
Electron- subatomic particle with a negative charge

5. Periodic Table
A table that organizes elements by their properties

6. Atomic Number and Mass Number
Atomic Number- Number of Protons
Mass Number- Number of Protons + Number of Neutrons
Element Symbol
Name of element
Mass Number

7. Fill in Electron Shells 2/8/8/2
Boron