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SOL PS 2
| Term | Definition |
|---|---|
| Matter | anything that has mass and volume |
| atom | the smallest part of an element that has the properties of that element |
| element | a pure substance that cannot be broken down by chemical or physical means |
| compound | a substance made of two or more elements chemically combined |
| mixture | two or more substances that are together in the same place but their atoms are not chemically bonded |
| solid | state of matter that has a definite shape and a definite volume |
| liquid | state of matter that does not have a definite shape but does have a definite volume |
| gas | state of matter with no definite shape or volume |
| physical property | a characteristic of a substance that can be observed without changing it into another substance |
| density | a measurement of how much mass of a substance is contained in a given volume |
| solubility | a measure of how much solute can dissolve in a given solvent at a given temperature |
| odor | smell |
| chemical properties | a characteristic of a substance that describes its ability to change into another substance |
| acid | releases hydrogen ions into water, reacts with metals, tastes sour |
| base | releases hydroxide ions into water, tastes bitter |
| salt | an ionic compound made from the neutralization of an acid and base |
| reactivity | the ease and speed with which an element combines, or reacts, with other elements and compounds |
| combustibility | a measure of how easy a substance busts into flame |
| plasma | a state of matter created when a gas becomes ionized |
| organic compound | contains Carbon |
| inorganic compound | does not contain Carbon |
| heterogeneous mixture | when you can see the different parts |
| homogeneous mixture | looks uniform throughout, a solution |
| freezing | the change in state from a liquid to a solid |
| vaporization | change in state from a liquid to a gas such as boiling and evaporation |
| melting | change in state from a solid to a liquid |
| condensation | change in state from a gas to a liquid |
| sublimation | change in state from a solid directly to a gas without passing through the liquid state |
| luster | the physical property of shine or lack of shine (dull) |
| malleable | the physical property that allows metals to be made into sheets |
| ductile | the physical property that allows metals to be made into wires |
| viscosity | the physical property that describes how thick a liquid is |
| combustion | the chemical change that involves burning |
| photosynthesis | the chemical change that involves plants producing oxygen and glucose |
| tarnish | the chemical change that occurs when some metals turn black or green |
| Oxidation | the chemical change that produces rust |
| endothermic | a reaction that absorbs heat and feels cold |
| exothermic | a reaction that releases heat and feels hot |
| solution | a homogeneous mixture that occurs when one substance dissolves in another |
| solvent | the part of the solution that does the dissolving |
| solute | the part of the solution that is being dissolved |
Created by:
sford
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