Chapter 4 Science Vocab Words
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Created by:
Purple_Swag on November 9, 2011
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21 terms
Terms | Definitions |
|---|---|
 mixture | Matter that consist of two or more substances mixed together but not chemically combined is called a mixture. |
| heterogeneous mixture | A mixture that does not appear to be the same throughout is said to be heterogeneous. |
| homogeneous mixture | A homogeneous mixture is "well mixed". |
| colloid | homogeneous mixture in which the particles are mixed together but not dissolved. |
| solution | homogeneous mixture of two or more substances in a physical states |
| solute | substance that is dissolved in a solution |
| solvent | substance that does then dissolving in a solution |
| soluble | can be dissolved in a another material, such as water |
| insoluble | unable to be dissolved in another material, such as water |
| solubility | measure of how much of a solute can be dissolved in a given amount of solvent under certain conditions |
| alloy | a solution of two metals or a metal and a nonmetal that has the property of a metal |
| pure substance | substance made of one kind of material having definite properties |
| element | simplest type of pure substance |
| atom | smallest part of an element that has all properties of an element |
| chemical symbol | shorthand way of representing an element |
| compound | substance made up of molecules that contain more than one kind of atom; two or more element chemically combined |
| molecule | combinations of atoms formed by a covalent bond |
| chemical formula | combination of chemical symbols usually used to represent a compound |
| subscript | number placed to the lower right of chemical symbol to indicate the number of atoms of the element in the compound |
| chemical equation | expression in which symbols, formulas, and numbers are used to represent a chemical reaction |
| coefficient | number that is placed in front of a symbol of a formula in a chemical equation that indicates how many atom or molecules of this substance are involved in the reaction |
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