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Watch this video for more information about the Atomic Theory.

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The Further Research of the Atomic Theory

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The Further Research of the Atomic Theory

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After the discovery of the electron, Ernest Rutherford (1871-1937) did further research on the Atomic Theory and discovered the nucleus of an atom while taking his gold foil experiment to a new height.

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Later, J. J. Thomson (1856-1940) insisted that atoms must consist of smaller particles when he discovered the electron.

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It wasn't known for sure that atoms exists until John Dalton (1766-1844) provided empirical evidence that atoms do exists.

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Democritus (460-320 BC) came up with an idea that everything is composed of tiny particles like tiny broken fragments from a rock.