MATTER

•What is Matter?

•What are the Parts of an Atom?

• How do you Read the Periodic Table of Elements?

MATTERAnything that has Mass and Takes up Space

EX.: TABLE, WATER, AIR

NOT MATTER: SOUND, LIGHT

Atoms: the Building Blocks of MatterTwo 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

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

10

NeNeon

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