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He made the the formula for the atomic theory
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He added fire, water, earth and air.
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He added the things to make an atom.
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He added positive and negative charges.
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He made a model of the atomic theory.
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He proved that alpha radiation was helium.
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.