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Chemistry
Section 1,2, and 3
| Question | Answer |
|---|---|
| what is matter? | Matter is anything that has mass or takes up space. |
| what are physical and chemical properties? | physical property is a characteristic of a pure substance that can be observed without changing A chemical property is a characteristic of a pure substance that describes its ability to change. |
| what is the difference between elements, compounds and mixtures? | element is a pure substance that cant be broken down. a compound is a pure substance made up of 2 or more molecules. A mixture is 2 or more substances mixed together but are not chemically combined. |
| what are heterogeneous and homogeneous mixtures? | Heterogeneous Mixture: substances unevenly distributed throughout the mixture Homogeneous Mixture: substances are evenly distributed throughout the mixture |
| what is weight | weight is the measure of force of gravity pulling on an object |
| what is volume? | Volume is the amount of space matter occupies. |
| what is density? | Density relates the mass of a material to a given volume. |
| what is mass? | amount of matter in an object |
| What is a physical change? | any change that alters the form or appearance but doesn't change the substance |
Created by:
orreomer