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28 Cards in this Set
- Front
- Back
Matter |
Anything that has mass and takes up space |
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Chemistry |
The study of the properties of matter and how matter changes |
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A single kind of matter that is pure, meaning it always has a specific makeup. |
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Characteristics of a pure substance that can be observed without changing it into another substance.
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Chemical Properties |
Characteristics of a pure substance that describes it's ability to change into different substances |
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Element |
A pure substance that cannot be broken down into any other substances by chemical or physical means |
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Atom |
The basic particles from which all elements are made |
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Chemical Bond |
The force of attraction between two atoms |
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Molecules |
Groups of two or more atoms held together by chemical bonds. |
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A pure substance made of two or more elements chemical combines in a set ratio. |
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A formula that shows the elements in the compound and the ratio of atoms |
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Mixtures |
Made of two or more substances that are together in the place but are not chemically combined |
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Heterogeneous Mixture |
A mixture in which you can see the different parts |
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A mixture in which the substances are so evenly mixed that you can see the different parts |
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Chemical Change |
Any change in matter that produces one or more substances. |
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Any change that alters the from or appearance of matter doesn't make any substance in the matter into a different substance |
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The ability to do work or cause change |
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Temperature |
A measure of the average energy of random motion in particles. |
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Matter is not created or destroyed in any chemical or physical change. |
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The total energy of all of the particles in an object |
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A change in which energy is taken in |
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The energy of matter in motion |
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A form of kinetic energy that travels through space through waves |
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A form of kinetic energy in which the energy of eclectically charged particles move from one place to another |
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Potential Energy |
The energy an object has because of its position |
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Chemical Energy |
A former of potential Energy in which the internal energy is stored in the chemical bond between the atoms |
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Solution |
An example of a homogenous mixture when substances dissolve does not have to be a liquid |
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Exothermic Energy |
A change in which energy is given off or released |
