Student March 7, 2011 3 rd Block. Who:Sir Humphrey Davy When:1808 Where:England Boron.

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Presentation transcript:

Student March 7, rd Block

Who:Sir Humphrey Davy When:1808 Where:England Boron

Uses:1. Can be used in enamels for washing machines and refrigerators. 2. Used in water softener in washing powders. 3. Rocket fuels. 4. Controls of insects like spiders and ants. Hazards:1. Can be very toxic if it builds up. 2. Can cause cancer. Boron (continued)

Known since ancient times. Uses:1. Basis of fuel like coal and oil. 2. Good lubricant as graphite. 3. Used in ink. 4. Jewelry. Hazards:1. Toxic 2. Flammable and explosion warnings. Carbon

Who:Henri Moissan When:1886 Where:France Uses:1. Used in High Temperature plastics. 2. Etching the glass of light bulbs. 3. Air conditioning and refridgeration. Hazards:1. Toxic 2. Can cause lung and eye irritation. Fluorine

Who:Daniel Rutherford When:1772 Where:Scotland Nitrogen

Uses:1. Used in ammonia (like fertilizer production) 2. Used in electronics 3. Stainless steel 4. Transport for food products Hazards:1. Compounds such as ammonia are toxic 2. Other compounds with nitrogen are lethal Nitrogen (continued)

W ho:Sir Ramsay and Morris W. Travers When:1898 Where:London England Neon

Uses:1. Advertising signs 2. Mixed with helium to make gas lasers Hazards:Denys the body access to oxygen Neon (continued)

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