Periodic table

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Author:
JessicaRod21
ID:
240437
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Periodic table
Updated:
2013-10-13 20:42:40
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Chemistry
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    • Metalloids
    •      shiny or dull
    •      conduct heat & electricity not as well as metals
    •      have other properties of metal and nonmetals
    •      Boron, Silican, Germanium, Arsenic, Antimony, Tellurium, Polonium, & Astatine
    • Nonmetals 
    •      Poor conductors of heat & electrcity  
    •      Dull
    •      Low melting & boiling points
    •      Brittle (if solid)
    •      Can be solid, liquid, or gas
    •      Tend to gain electrons
    • Metals  
    • Good conductors of heat & electricity 
    •   Malleable - can be hammered into rolled sheets
    •   Ductile - can be drawn into wires 
    •   Shiny (luster)
    •   High Melting and Boiling Points
    •   High Density
    •   Mostly solids
    •   Tend to lose electrons
    • Alkali Metals
    •   Highly Reactive  
    •   1 electron on outer energy level 
    •   Make salts, NaCI, KCI
    •   Lithium-to treat bi-polar disorder
    • Not found free in nature
    • 2 electrons on outer energy level
    • gemstones, fireworks,
    • magnesium burns brightly
    • used as strong and light material for cars, planes, and baseball bats
    • magnesium is essential fo photosynthesis
    • calcium (in form calcium carbonate) in bones make them strong
    • noble gases normally don't mix with other compounds
    • Have 2 or 8 electrons on thier outer energy level
    • Uses: neon lights, laser lights
    • Chlorine is the most abundant
    • 7 electron on outer energy level
    • Bleaches, disinfect water
    • Bromine are used as dyes in cosmetics
    • Iodine, shiny gray is essential in the production of thyroxin
    • Iron, copper, and silver are examples
    • Groups 3 through 12
    • 1 or 2 electrons on their outer level
    • Less active then Alkali Metals and Alkaline Earth metals
    • Many gemstones contain transition metals
    • Form brightly colored compounds
    • all radioactive
    • #92 and up are man made (synthetic)

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