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10 Cards in this Set
- Front
- Back
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Matter |
Anything that has mass and takes up space |
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Properties |
Characteristics that describe a particular substance (density, color, odor, taste, etc) |
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Chemistry |
The study of properties of matter and the changes the matter undergoes |
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The Particle Model of Matter |
• Each pure substance has it's own kind of particle • Particles attract each other • Particles are always moving • Particles at a higher temperature move faster |
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What's the difference between qualitative and quantitative? |
Qualitative - cannot be measured Quantitative - can be measured numerically |
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What are some examples of physical properties? |
Color, luster, melting/boiling point, density, odor, hardness, etc. |
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What are some examples of chemical changes? |
Flammability, solubility, reactions with water/acid/air, etc. |
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Element |
Material that cannot be broken down into a simpler substance; made up of one atom (gold, oxygen, etc.) |
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Compound |
When two or more elements chemically combine |
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Physical Change |
Change in size, shape or state where no new substance is formed |
