The Elements
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PRESENTATION OUTLINE
METALS
Photo by listentoreason
FACTS ABOUT METALS
- is easily pulled into wires and hammered into thin sheets
- is a good conductor of electricity
- Has luster or the ability to reflect light
Photo by Steve A Johnson
MAGNESUIM
- is highly flammable
- Used in race cars, airplanes, and bicycles
- Several times the price of aluminum
Photo by Paul's Lab
NONMETALS
- Has no metallic properties
- Usually are gases at room tempature
- Has a dull surface
- No luster
- Poor conductors
Photo by Kevin McShane
FLUORINE
- The most reactive of all the elements
- Formed in the compound Teflon
- Teflon is used in toothpaste
- Teflon is used in non-stick cooking pans
Photo by litlnemo
METALLOIDS
Photo by James St. John
METALLOIDS
- Metalloids have both chemical and physical properties of metals and nonmetals
- Are semiconductors which contact thermal energy at high tempature said but not at low tempatures
- Being a semiconductor is useful in computers, televisions, and solar cells
Photo by ABBones
SILICON
- Most sand is formed with compounds of silicon and oxygen
- Silicon is used in many electronic devices
- Silicon is a major ingredient in glass
- Silicon is used to make medical tubing
Photo by reynermedia
