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vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
atom   a small particle that is a building block of matter  
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compound   a substance made of two or more elements that are joined in a specific combination  
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element   a substance made of only one kind of atom  
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heterogeneous   a mixture in witch the substances are not evenly mixed  
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homogeneous   a mixture in witch two or more substances are evenly mixed but not bonded together  
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matter   anything that has mass and takes up space  
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mixture   matter that can vary in composition  
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molecule   two ore more atoms that are held together by chemical bonds and act as a unit  
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substance   matter with a composition that is always the same  
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