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Thought everything was made from something, began curiousity
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Came up with the "atom"
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Didnt believe in atomic theory
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Thought the same as Democitus
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Came up with Atomic Theory
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Discovered radioactivity
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Discovered Electrons
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Atoms contain a nucleus made of protons
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Shows electrons in atoms are different energy
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Determined charge and mass of electron
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Discovered isotopes
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Quantom model
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Discovered evidence that neutrons exist
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.