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12 Cards in this Set
- Front
- Back
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Chemistry |
Study of the property of matter and the changes it undergoes |
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Caustic |
Agent that burns or destroys living tissue |
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Particle model |
1:all matter is made up of tiny particles 2:each pure substance has its own kind of particle 3:particles attract eachother 4:particles are always in motion 5:particles at a higher temperature move faster then ones at lower temperatures |
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Homogenous |
Particles are uniformly scattered |
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Heterogenous |
Not uniformly scattered |
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Physical change |
Substance changes in form but not in chemical composition |
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Chemical change |
Causes one or more new substances to be formed |
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Law of definite composition |
Compounds are pure substances that can contain two or more elements combined in definite options |
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Law of conservation of mass |
In a chemical change the total mass of the new substances is always the same as the total mass of the original sibstance |
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Suspensions |
Heterogenous mixture made of large particles that are uniformly mixed |
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Colloids |
Heterogenous mixturescomposed of fine particles evenly distributed through out a second substance |
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Emulsions |
Types of colloids in which liquids are dispersed in liquids |
