Elements, Compounds, and Atomic Theory

Whats an Element

A pure substance that cannot be broken down into simpler chemical substances by physical or chemical means

Whats a Compund

A pure substance composed of two or more different elements

Whats a Chemical family

A vertical column of elements on the periodic table with similar properties

Types of Elements

Metals, non metals, metalloids(Possess both metallic and non-metallic properties)

First two families of the periodic table

Alkali Metals and Alkaline Earth Metals

last two families of the periodic table

Halogens and Noble Gases