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changes in matter
Term | Definition |
---|---|
chemical change | a change that completly changes the whole substance |
physical change | when a substance changes size or something like that |
synthesis | when you add atoms to make one group |
decomposition | when a group breaks apart |
single replacement | the replacement of one atom |
conservation of mass | cannot creat or destroy matter |
atom | smallest form of matter |
molecule | a group of atoms |