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by: Admin
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Date: Sun, 21 May 2006 Time: 12:00 AM
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The Elements of Chemistry
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States of Matter
Solid
- fixed shape
- fixed volume
- particles held together by strong forces
- particles can vibrate on the spot
- particles cannot be compressed together
Liquid
- Fixed volume
- Takes the shape of its container
- particles are fairly close moving randomly
- liquids cannot be compressed
Gas
- No fixed volume
- no fixed shape
- takes the shape of its container
- particles are far appart
- gasses diffuse rapidly
- can be compressed
Cooling Curve
Water's Boiling Curve
Atomic Theory
Atom: Smallest particle of matter that can take in a chemical reaction
Element: a substance made up of a single type of atom
molecule: a group of two or more atoms bonded together. Can be the same element/atom.
Compound: a substance made up of two or more elements chemically combined in fixed proportions. The elements cannot be seperated by physical means.
Mixture: two or more substances mixed together in any proportions. Componants keep their properties. They can be seperated by physical means.
| Charge |
Mass | |
| Protons |
+1 |
1 |
| Neutrons |
0 |
1 |
| Electrons |
-1 |
0 |
About the Author
by: Admin
Total views: 1697
Word Count: 672
Date: Sun, 21 May 2006 Time: 12:00 AM
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Rating: Not yet rated
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