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Ancient Greek idea that atoms are indivisible, and compounds are combinations of different types of atoms -
Discovered of electrons and won a Nobel Prize. Developed the Plum Pudding Model. -
Discovered the atom is mainly empty space. -
Created the Bohr Model
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.