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change of matter

review for test

chemical change the process by which matter changes to a different substance
physical change changes to matter that can be observed without a chemical change
chemical property the chemical make up of a substance
physical property how something looks, it's conduction of heat and electricity
synthesis the process by which 2 or more atoms come together to make a compound. example: a+b->ab
decomposition the process by which a compound gets broken down. example: ab->a+b
single replacement when 1 part of a compound gets swapped. example: abc+d->abd+c
double replacement when 2 compounds swap parts. example: abc+efg->abg+efc
atom elements in smallest form, makes molecules
molecule 2 or more of one kind of element, made of atoms
conversation of mass the law that states that matter cannot be made or destroyed
Created by: jgarner05252002