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31 Cards in this Set
- Front
- Back
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Matter |
Anything that takes up space and has mass |
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Mass |
the measure of the amount of matter |
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Atom |
the smallest unit of an element that maintains the chemical identity of an element |
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Element |
a pure substance that cannot be broken down and is made up with one atom |
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Compound |
A substance that can be broken down into different substances, made with two or more atoms. |
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Extensive Properties |
How much a substance depends on how much matter is present |
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Intensive Properties |
How a substance does not depend on how much matter present. |
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Physical Property |
A characteristic that means the substance can be observed and measured. |
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Physical Change |
A change on the substance that doesn't change the identity of the substance. |
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Change of state |
A physical change of a substance from one state to another. |
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Solid |
Definite Volume + Definite Shape |
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Liquid |
Definite Volume but no shape |
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Gas |
No definite shape and volume |
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Plasma |
A high-temperature state where the substance loses most of their atoms and electrons. |
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Chemical property |
A substance's ability to undergo changes and transform into other substances. |
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Chemical change |
A change where one or more substances are converted into different substances. |
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Chemical Reaction |
Same as a chemical change |
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Reactant |
Substances that react in a chemical change |
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Product |
Substances made from a chemical change. |
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Mixture |
A blend of two different kinds of matter, each retains its identity. |
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Homogenous |
Mixtures that are uniform in a composition, also called solutions. |
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Solution |
A homogenous mixture |
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Heterogenous |
Mixtures that are not uniform in a mixture. |
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Pure substance |
A fixed composition |
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Chemistry |
Study of the composition, structure, and properties of matter. |
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Chemical |
any substance that has a definite composition |
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Group/families |
Vertical columns on the periodic table. |
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Periods |
Horizontal columns on the periodic table. |
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Metal |
an element that is a good electrical conductor and heat conductor. |
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Nonmetal |
an element that is not a good conductor |
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Metaloid |
an element that has some characteristics of both nonmetals and metals |
