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science 11/14/11
matter and physcal properties
| Question | Answer |
|---|---|
| element | are the blocks of matter because all matter is composed of elements |
| Matter | is any thing that has mass and takes up space |
| Chemistry | is the study of the properties of matter |
| Compound | is a substance made of two or more elements |
| Formula | is a combination of symbols that shows a ratio |
| Physical change | it alters the form or appearance |
| Chemical change | is when new substances are made |
| Chemistry | a branch of science which studies matter its properties and how changes |
| Element | substance that cannot be broken into any other substances chemical of physical matter substance that cannot be broken into any other substances chemical of physical means composed of the same type of atom and the block of matter |
| Atom | tiny particles that make up elements or combine to make compound |
| Symbol | one or two letters used to characterize an element |
| Compound | a substance made of two or more elements chemically combined a specific ratio |
| Formula | is a combination of symbols that shows the ration if elements in a compound |
| Mixture | made from two or more substances that are combined physically |
| Physical change | change in matter that produces a new substance or matter |
| Heterogeneous mixture | a solid liquid or gas in which the particles can be easily seen |
| Homogeneous mixture | a solid liquid or gas I which the substances are evenly distributed |
| Suspension | a liquid heterogeneous mixture where solid particles more dense sink to the bottom |
| Colloid | a liquid heterogeneous mixture where particles are not dissolve and light does not pass through it |
| Solution | a liquid heterogeneous mixture where one substance is dissolved in a liquid particles are evenly spread out (distributied) |
| Solute | in a solution of table salt |
| Solvent | is the part of a solution present |
| Suspension | is a mixture in which parties can be seen |
| Solution | a well mixture |
| Colloid | s a mixture with small undissolved particles |
| Dilute solution | because only a little solute is dissolved |
| Concentrated solution | because it has more solute dissolved in the water |
| Unsaturated solution | does not hold as much of a solute |
Created by:
drgking
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