| Scienceray > Chemistry |
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Chemistry |
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 | | Lava Lamp | | by John Beer, Oct 11, 2007 | | Purpose: To see what happens when you mix vegetable oil with salt or sugar. | | Comments(1) Liked It: 4 |
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 | | Lutetium | | by Ashley Rogers, Jan 19, 2007 | | The symbol for lutetium is Lu, its atomic number is 71, and its atomic weight is 174.967 g. Lutetium is a metallic element and it is found in the rare earth group. | | Comments(0) Liked It: 1 |
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 | | Desalination Plants | | by Punksta, Feb 17, 2007 | | The purpose of desalination plants is to turn seawater to freshwater. So what actually happens is the salt is removed from the seawater, to make the water for human consumptions. | | Comments(0) Liked It: 1 |
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