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vocab 3
Question | Answer |
---|---|
atom | a small particle that is the building block of matter |
compound | a substance made of two or more elements that are chemically joined in a specific combination |
element | a substance made of only one kind of matter |
heterogeneous mixture | a mixture in which the substances are not evenly mixed |
homogeneous mixture | a mixture in which two or more substances are evenly mixed,but not bonded together |
matter | anything that has mass and takes up space |
mixture | matter that can vary in coposition |
molecule | two or more atoms that are held together by chemical bonds and act as a unit |
substance | matter with a composition that is always that same |