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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 |