Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download The Great 28 Elements
Document related concepts
no text concepts found
Transcript
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
Related documents