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Sarai Harris
1 August, 22:04
Who is john dalton, jj Thompson
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Libby Estrada
1 August, 23:07
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Atomic Theory. In 1897, English physicist J. J. Thomson (1856-1940) disproved Dalton's idea that atoms are indivisible ... One of those parts is a negative tiny particle, which Thomson called a corpuscle in 1881.
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