history of the atom

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Last updated 3:29 PM on 7/25/26
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5 Terms

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<p>John dalton-solid sphere model</p>

John dalton-solid sphere model

Atoms were solis spheres which couldn’t be broken up.

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<p>JJ Thompson-plum pudding model</p>

JJ Thompson-plum pudding model

Discovered electrons.A sphere of positive charge with electrons dotted around

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<p>Ernest Rutherford-nuclear model</p>

Ernest Rutherford-nuclear model

Positive nucleus surrounded by electrons

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<p>Niels Bohr-orbital model</p>

Niels Bohr-orbital model

Electrons in set energy levels (shells)

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James Chadwick

Discovered neutrons