ELEMENTS

METALS

Untitled Slide

• Good conductors of heat and electricity
• Luster
• High density
• High melting point
• Malleable

Aluminum:
Some of the many uses for aluminum metal are in transportation (cars, trucks etc.)
Packaging (cans, foil etc.)
And construction (windows, doors, siding etc.)

NONMETALS

Untitled Slide

• No luster
• Poor conductor of heat and electricity
• Brittle (breaks easily)
• Not ductile
• Not malleable

Sulfur:
Sulfur is used to make black gunpowder, matches, and fireworks.

METALOIDS

Untitled Slide

• Solid
• Metallic luster
• Brittle
• Semi conductive

Boron:
Amorphous boron is used as a rocket fuel igniter and in pyrotechnic flares. The most important compounds of boron are boric acid, borax, and boric oxide.