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atom smallest unit of matter
molecules 2 or more atoms held together from a chemical bond
matter anything that has mass and takes up space
elements are one or more atoms of the same kind bonded together
compounds are 2 or more different atoms bonded together
pure substance It is a substance made up of one type of atom and they are chemically bonded and have to be chemically separated.
Mixture is a substance made up of 2 or more different types of atoms and are not bonded so they have to be physically separated.
Homogeneous Particles in mixture are evenly distributed
Heterogenous particles are not evenly distributed
Created by: 2018134