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19 Cards in this Set
- Front
- Back
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Atom
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The smallest basic unit of matter
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Element
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One particular type of atom that can not be broken down
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What determines the property of elemtents?
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The number of electrons
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What are the 4 elements always found in a living organism?
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Hydrogen, Carbon, Nitrogen, Oxygen
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Ion
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An atom that has gained or lost an electron
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Ionic bond
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Chemical bond that is formed through the electrical force between oppositley charged ions
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Covalent bond
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When ions share the a pair of the same electrons
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Molecule
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2 or more molecues held together by a covalent bond
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Compound
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When 2 or more different atoms bond together in a certain ratio
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Polar Molecules
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Molecules that have a region with a slight negative charge and a region with a slight positive charge
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Nonpolar Molecule
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Share electrons easily
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Hydrogen bond
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An attraction between oppositley charged atoms
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3 important properties of water
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1 High Specific Heat
2. Cohesion 3. Adhesion |
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Solution
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A mixture that is consistent throughout
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Solvent
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The thing the solute is dissloved in
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Solute
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The substance that dissolves
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Acid
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A compound that gives a proton when it dissolves
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Base
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A compound that takes a proton when it dissolves
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Buffer
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Maintains homeostasis between acid and base levels
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