Intro to Matter, Chemical Changes, and Properties
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Created by:
itoscience on April 24, 2012
Subjects:
Description:
S8P1. Students will examine the scientific view of the nature of matter.
d. Distinguish between physical and chemical properties of matter as physical (i.e., density, melting point, boiling point) or chemical (i.e., reactivity, combustibility).
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15 terms
Terms | Definitions |
|---|---|
 matter | anything that has mass and takes up space. |
| Chemistry | the study of properties of matter and how matter changes. |
| substance | a single kind of matter that is pure, meaning it always has a specific makeup - or composition - and a specific set of properties. |
| physical property | a characteristic of a pure substance that can be observed without changing it into another substance. |
| chemical property | a characteristic of a pure substance that describes its ability to change into a different substance. |
| element | a pure substance that can not be broken down into any other substance by chemical or physical means. |
| atom | the basic particle from which all elements are made. |
| chemical bond | the attractive force that holds atoms together. |
| molecules | groups of two or more atoms held together by chemical bonds |
| compound | A pure substance made of two or more elements chemically combined is a set ratio. |
| chemical formula | shows the elements in the compound and the ratio of atoms |
| mixture | (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding) |
| heterogeneous mixture | a mixture in which different materials can be distinguished easily |
| homogenous mixture | mixture that appears the same throughout |
| solution | a homogeneous mixture of two or more substances |
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