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Definition
| Has membrane bound nucleus, has organelles |
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Definition
| Lack membrane bound nucleus (domains bacteria and archaea) |
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Term
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Definition
1. all organisms are composed of cells
2. cells are basic units of structure and function in organisms.
3.cells come only from pre-exsisting cells. |
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Term
| organic compounds found in cells |
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Definition
| carbohydrates,lipids,protiens,nucleic acid |
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Term
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Definition
| results when 2 atoms share electrons in such a way that each fulfills octet rule. (single, double, or triple) |
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Term
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Definition
1. high heat capacity
2.high heat of vaporization
3.is a solvent
4.molecules are cohesive and adhesive
5.has high surface tension
6.frozen state is less dense than liquid. |
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Term
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Definition
| contains dissolved substances |
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Definition
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Term
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Definition
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Term
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Definition
| polarity within water molecule causes the hydrogen atoms in one molecule to be attracted to the oxygen atoms in another. weaker than ionic or covalent bonds. |
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Term
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Definition
| unequal sharing of electrons in a covalent bond. |
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Term
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Definition
| the attraction of the atom for the electrons in a covalent bond |
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Term
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Definition
| when sharing of two atoms is fairly equal |
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Term
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Definition
| The transfer of electrons between atoms resulting in ions that are held together by ionic bonds, the attraction of neg and positive charges. OR The attraction of oppositely charged ions. |
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Term
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Definition
| Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur (elements that make up living things) |
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Term
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Definition
| usually contains positive and negative ions. Usually ionic binding. small number of atoms. Non Living Matter. |
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Term
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Definition
| Always contain carbon and hydrogen. Always covalent bond. Often quite large, with many atoms. Living Organisms. |
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Term
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Definition
| atoms react with one another to have a complete outer shell (8) |
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Term
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Definition
| Distance of electrons from nucleus. 2 in first shell, 8 thereafter. |
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Term
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Definition
| Atoms of a single element that differ in their number of neutrons. |
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Term
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Definition
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Term
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Definition
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Term
| what determines atomic mass |
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Definition
| number of protons and neutrons in nucleus |
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Term
| what determines atomic number |
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Definition
| number of protons and electrons |
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Term
| protons have what type of charge |
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Definition
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Term
| neutrons have what type of charge |
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Definition
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Term
| electrons have what type of charge |
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Definition
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