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20 Cards in this Set
- Front
- Back
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matter |
anything that has mass and takes up space |
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atom |
a small particle that is a building block of matter |
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substance |
matter with composition that is always the same |
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element |
a substance that consists of just one type of atom. -cannot be broken down by ordinary chemical means |
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compound |
a type of substance containing atoms of two or more different elements chemically bonded together |
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mixture |
matter that can vary in composition |
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heterogeneous mixture |
a type of mixture in which the individual substances are not evenly mixed |
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homogeneous mixture |
a type of mixture in which the individual substances are evenly mixed |
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dissolve |
means to form a solution by mixing evenly |
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physical property |
characteristics of matter that you can observe or measure without changing |
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mass |
the amount of matter in an object |
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density |
the mass per unit volume of a substance |
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solubility |
the ability of on substance to dissolve in another |
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distilation |
the action of purifying a liquidbhy a process of heating and cooling |
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physical change |
change in size, shape, form, or state of matter in which the matter's density stays the same |
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exothermic change |
heat released |
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endothermic |
heat absorbed |
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chemical property |
a behavior of a substance when it undergoes a change or reaction |
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chemical change |
a change in matter in which the substance that make up matter change into other substances with new physical and chemical properties |
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concentration |
the amount of substance in a certain volume |
