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chap 2 voc
Question | Answer |
---|---|
matter | all things that take up space |
pure substances | anything that has a chemical formula |
element | any substance that is made of only one type of atom |
compound | any substance that is made of two or more types of atoms |
mixure | two substances that are placed together but are seperable by phyical means |
homogenus solution | a mixture where one is unable to see the varieus differant substances |
heterogenus solution | a mixture where one is able to see the varieus differant substances |
distillation | a process by which you seperate heterogenus mixtures |
physical change | a change that does not change the substance itself |
chemical change | a change that changes the substance |
law of concervation af matter | a scientific law that states that matter cannot be created or destroyed |