1. MATTER What is Matter? What are the Parts of an Atom? How do you Read the Periodic Table of Elements?

2. MATTER Anything that has Mass and Takes up Space EX.: TABLE, WATER, AIR NOT MATTER: SOUND, LIGHT

3. Atoms: the Building Blocks of Matter Two Parts: Nucleus and Electron Cloud Proton: Found in the Nucleus; Positive Charge Neutron: Found in the Nucleus; No Charge (Neutral) Electron: Found in the Electron Cloud; Negative Charge

4. Element: A Substance made of One Type of Atom; Arranged into the Periodic Table of Elements Each Different Element has a Different Number of Protons and Electrons. Ex.: Carbon has 6 protons & electrons; Aluminum has 13 protons and electrons

5. 10 Ne Neon 20.17 Atomic Number: the number of protons and electrons in an element Atomic Symbol: written as either 1 capital letter or one capital and one lowercase letter Atomic Mass: the average mass of the atoms of the element