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Democritus suggested that all matter is made up of tiny particles. -
John Dalton wrote an atomic theory that has four parts in it. -
Dmitri Mendeleev made the periodic table of elements. -
Eugene Goldstein discovered the proton. -
J.J Thomson discovered the electron in an atom. -
Ernest Rutherford discovered the nucleus of an atom. -
Niels Bohr made the Bohr model. -
Erwin Schrodinger discovered the Schrodinger wave length. -
Proved the existence of neutrons. -
I think John Dalton did the most amount of work because he wrote the laws that still hold true to this day.
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.