Science of the ages.... Get u some
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Created by:
juliahocutt on March 2, 2010
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20 terms
Terms | Definitions |
|---|---|
 molecule | group of atoms that are linked together |
| chemistry | study of the comp. of matter |
| diffusion | when atoms in a high concentration go to an area with low concentration |
| compound | 2 elements coming together |
| john dalton | developed the atomic theory |
| matter | that which has mass and occupies space |
| mass | amount of matter in an object |
| react | show a response or a reaction to something |
| composition | what something is made of |
| plasma | the 4th state of matter when atoms are broken down in high energy particles |
| atoms | smallest unit of matter |
| element | name of certain atoms combined |
| compound | 2 or more elements combined |
| valence | outter shell of an electron |
| osmosis | one way of diffusion through a semi permable membrane |
| alakai metals | soft shiny types of metal |
| alkaline metals | most highly reactive; metallic family; low density, soft; low melting point |
| transition metals | known for strength and hardness |
| halogens | reactive noble gasses |
| kinetic theory | all molecules are in constant motion |
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