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WHS CHEMlHISTROY

Jarrison H.

WHS CHEMlHISTROY

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Across
4.invented the "Plum pudding" model of an atom
8.Discovered positive charged "canal rays"
10.first to suggest the idea of atoms
Down
1.a Negatively charged particle found around the nucleus of an atom
2.Invented the "planetary model" of an atom
3.Discovered the neutron
5.a positively charged particle found in the nucleus of an atom
6.a "no charge' particle found in the nucleus of an atom
7.Used the "gold foil" experiment to prove the existence of a nucleus
9.Developed an early atomic theory to explain the behavior of atoms

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