Long ago, two Greeks were consuming grapes and They had a great idea that was really, really fine of you took a substance and divided It enough. Eventually You get the smallest particle of stuff! 1800, Dalton said the atom is a sphere it cannot be divided my any smaller. Do not fear! He did a lot of work with pressure made by gas and said that atoms of each element had different mass! Atomos, Atomos! Everything’s made of you. You permeate the universe and everything we do! You are really small, and although we cannot see through many years of science we know that you must be In 1897,J.J. Thompson, cathode rays He noticed they deflected when a charge was in their way. They must be made of particles that have a minus charge. He called these things electrons and said that they’re not large! Said the atom was a sphere both positive and diffuse with negative electrons which then could be pried loose. The atom’s not indivisible, its made of smaller stuff but not even this amazing fact would prove to be enough! In 1911, ernest