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1matter flash cards

flash cards on; atom, molecule and matter

matter anything that has mass and takes up space
molecule a group of one or more atoms bonded together
atom the basic building block of matter
element one or more atoms of the same kind (bonded together)
compound two or more different atoms bonded together
pure substance a substance made up of one type of matter (it can be an element or compound) and it has a constant composition. can't be separated physically
mixture a substance made up of multiple types of matter and it had a variable composition can be separated physically
homogeneous mixture a mixture where the particles are evenly distributed
heterogeneous mixture a mixture where the particles are not evenly distributed
solution a mixture containing atoms, ions, or molecules fully dissolved
colloid a mixture containing mid-size particles that do not settle out
suspension a mixture containing particles that settle out if left undisturbed
tyndall effect dispersed colloid particles scatter light allowing us to differentiate colloids and solutions
Created by: 2018155