Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
The Great 28 Elements Notes By Miss Cole Hydrogen • Most abundant element in the universe • Colorless, highly flammable gas • Hindenburg disaster (1937) http://www.youtube.com/watch?v=GK4pycN Hwg8 • Lightest gas Helium • Gas • Used in electric light bulbs and fluorescent tubes • Helium balloons Carbon • Latin word “carbo” meaning “charcoal” • Makes: Graphite, diamond, fossil fuels, petroleum, gasoline, CO2 • In all living things • Non-metal Nitrogen • Makes up 3/4 of air • Needed for plant growth • Fertilizers • Rocket Fuel • Gunpowder Oxygen • 21% of the atmosphere • Found in water and most rocks/minerals • Combines with all elements except inert gases • Animals need it to live/breath Sodium • Metallic • Reacts explosively with water http://www.youtube.com/watch?v=92Mfric7J Uc • Found in salt • Symbol from latin “natrium” a salt found in nature. Magnesium • • • • • Burns with a white flame Solid Second most common element Abundant in nature 8th most abundant in the Earth’s crust http://www.youtube.com/watch?v=K7rFtNMh G8Q Aluminum • Ductile- able to be shaped without breaking • Found in Earth’s crust but only mixed with other elements • Makes cans/foil Silicon • Found in Earth’s crust • Silica/silicates • Glass, concrete, bricks, pottery, old implants Phosphorus • • • • Highly reactive Poisonous Solid Allotropy- many forms, same state (white, red, black) • Pyrotechnics, bombs, fertilizers, detergents Sulfur *correct spelling • • • • • Pale yellow Rotten egg smell Fireworks Batteries Insecticides Chlorine • Green/yellow gas • Used to clean water, bleaches • Mustard gas used in WWI http://www.youtube .com/watch?v=o8DH 0YtRQMc&list=PL5F D323B65AE6B02B Potassium • Symbol “K” from Latin word “Kalium” (which means potash) • Metal • Soaps • Found in foods and our body needs it. – Ex: bananas, white beans, spinach apricots, salmon Calcium • Basic part of most animals/plants • Only found in living things • Dairy products • Bones and teeth do not form well without it Chromium • Steel-gray metallic element • Used to make stainless steel Manganese • Used in steel • Naturally magnetic Iron • Atomic symbol from the word “Ferrum” which means iron. • Rusts easily • Most used metal • Transports oxygen in the body (blood) Cobalt • From German word meaning “evil spirit” bc it was poisonous • Makes blue glass • Ceramic pigments Nickel • Coins in the U.S/Canada • From german word “kupfernickel” meaning “devil’s copper” because it looked valuable but is not copper • Burglar-proof vaults Copper • Reddish-brown color metal • Conducts heat • Tubing, pipes, wires, coins • MALLEABLE- able to be shaped or bent Zinc • Bluish-white metal • Used to form many ALLOYS- mixture of metals • Treat rashes • gutters Silver • Highest thermal and electrical CONDUCTIVITY of metals (ability to pass something on) • Latin word “argentum” meaning silver • Jewelry, silverware, fancy serving dishes Tin • Coats other metals to prevent corrosion • Latin word “stannum” for tin • Coats steel cans Iodine • Medical tracer • Dyes • Table salt (iodized salt) http://www.youtube.com/watch?v=1NxvP0B1 h9M Gold • Latin word “Aurum” meaning gold • Most malleable and ductile metal • Precious metal currency, coins, jewelry, and electronics Mercury • Silvery poisonous metallic liquid at room temperature • Hg from Greek for that means water and silver • Used in old thermometers • Mercury poisoning http://www.youtube.com/ watch?v=VzgHr5BE4TU Lead • Latin “plumbum” means lead • Plumbing, solder, shielding from radiation • Found in ORE-rocks mined because they contain minerals • Poisoning from old paint Uranium • RADIOACTIVE- sends out high energy radiation from a nuclear reaction. • Nuclear fuels • Nuclear weapons http://www.youtube.com/watch?v=fIbACkLU38