Http://Phet.colorado.edu/En/Simulation/Build-An-Atom. Key vocab is highlighted in green! 원자 만들기 sim 사용지침서 : Bygg en atom (Build an atom phet colorado) […]

Draw The Carbon Atom. Tie the other end of the fishing line to the bottom of a wire clothes hanger […]

Draw A Model Of An Atom. This lesson will guide you through that process. He didn't know how to draw […]