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21 Cards in this Set
- Front
- Back
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Chemical property |
Include changes that ALTER the identity of a substance |
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A chemical is always acvompied by changes in physical properties |
True |
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Elements can be broken down into simpler substance |
False |
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An intensive physical property is one that depends on the amount of matter present |
False |
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Matter that has a uniform and unchanging composition is known as |
Element |
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A chemical composition of two or more different elements joined together in fixed proportions is known as |
Compound |
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Vertical row |
Group |
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Horizontal row |
Period |
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A chemical combination of two or more different elements is called |
Compound |
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Matter is anything with. And volume |
Mass |
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Form of matter with a uniform and unchanging composition |
Substance |
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Substance have specific unchanging. That can be observed |
Properties |
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Properties can be observed without changing a substances chemical composition |
Physical |
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Density is |
Physical |
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Properties cannot be observed without changing the composition of a substance |
Chemical |
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The new substances that are formed in a chemical reaction |
Products |
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A chemical reaction that involves that involves one or more substances changing into new substances |
Chemical change |
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The starting substances in a chemical reaction |
Reactants |
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The digits that are reported in an answer are called |
Significant figure |
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Always significant |
Nonzero |
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Have an infinite number of significant figures |
Counting numbers |
