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20 Cards in this Set
- Front
- Back
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Chemical Change |
A change that occurs when one or more substances change into entirely new substances with different properties |
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Extensive Property |
A property that depends on the extent or size of a system |
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Metalloid |
An element that has properties of both metals and nonmetals; sometimes referred to as a semiconductor |
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Compound |
A substance made up of atoms of two or more different elements joined by chemical bonds |
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Intensive Property |
A property that does not depend on the amount of matter present, such as pressure, temperature or density |
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Group |
A vertical column of elements in the periodic table; elements in a group share chemical properties |
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Pure Substance |
A sample of matter, either a single element or a single compound, that had definite chemical and physical properties |
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Period |
In chemistry, a horizontal row of elements in the periodic table |
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Physical Change |
A change of matter from one to another without a change in chemical properties |
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Chemical Reaction |
The process by which one or more substances change to produce one or more different substances |
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Nonmetal |
An element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution |
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Product |
A substance that forms in a chemical reaction |
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Reactant |
A substance or molecule that participated in a chemical reaction |
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Matter |
Anything that has mass and takes up space |
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Element |
A substance that cannot be separated or broken down into simpler substances by chemical means |
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Chemistry |
The scientific study of the composition, structure and properties of matter and the changes that matter undergoes |
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Mass |
The measure of the amount of matter in an object |
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Heterogenous |
Composed of dissimilar components |
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Metal |
An element that is shiny and that conducts heat and electricity well |
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Homogenous |
Describes something that has a uniform structure or composition throughout |
