1. Metals, Nonmetals, Metalloids

2. Metals Solid (except for mercury, a liquid) Shiny/Metallic Luster
Good conductors of thermal energy (heat) & electricity
Malleable- can be hammered into very thin sheets
Ductile- can be drawn into thin wire
High Melting Point

3. Nonmetals Gases & Liquids Dull Brittle (not malleable)
Poor conductors of thermal energy & electricity
Not Ductile
Low Melting Point

4. Metalloids Have properties of both metals & nonmetals
EX: shiny & unmalleable
Heat & electricity can travel through metalloids, but not as easily as they travel through metals (partially conduct electricity)