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unit 1.2
science
Term | Definition |
---|---|
atom | the smallest unit of an element that maintains the property of that element |
element | a substance that can not be separated or broken down into simpler substances by chemical means |
compound | a substance made up of atoms of two or more different elements joined by chemical bonds |
mixture | a combination of two or more substances that are not chemically combined |
pure substance | a sample of matter either a single element or a compound, that has definite chemical and physical properties |
heterogeneous | describes something that does not have a uniform stru |
homogeneous |