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Beleived that if you continually cut a substance in half, eventually you would get an "uncuttable" piece. He called these uncuttable pieces particles, which means indivisible in greek.
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e claimed the reason elements combined was because all elements are made up of atoms. He also published a three- part atomic theory.
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Thomson used a cathode ray tube to inferr that there are small particles inside of every atom.
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This man suggested that electrons travel around the nucleus in definite paths. These paths are always at a certain "level" away from the nucleus.
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he discovered the exsistance of neutrons and that they had no charge at all,this ment that there was no eletical barrar to go through when trying to archive atom disginergration
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.