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Period: 370 to 460
Democritus Life Span
This is backwords because it won't allow it to be in BC. -
Period: to
John Dalton Life Span
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John Dalton - Different elements have different atoms
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Period: to
JJ Thomson Life Span
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Period: to
Robert Millikan Life Span
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Period: to
Ernest Rutherford Life Span
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Period: to
Neils Bohr Life Span
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Period: to
James Chadwick Life Span
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JJ Thomson - Discovered Electron
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Robert Millikan - Found charge of an electron to be negative
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Ernest Rutherford - Rutherford Atomic Model
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Neils Bohr - Bohr's Atomic Model
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James Chadwick - Discovered Nucleus
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Democritus - Atomic Theory