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Cards In This Set
| Front | Back |
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Atom has a small positively charged nucleus with electrons moving around it
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Rutherford
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Atom is a solid sphere with no charged particles
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Dalton
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Plum pudding model
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Thomson
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Characteristics of substance were based on the shape and texture of atoms
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Democritus
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Based model on three laws
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Dalton
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Gold foil experiment
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Rutherford
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Used a cathode ray tube to discover a subatomic particle
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Thomson
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He did not perform any experiments. Based model on observation and logic.
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Democritus
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Atom is a positively charged mass with negative electrons embedded in it
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Thomson
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Plantery Model
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Rutherford
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First person to discover that the atom has a substructure and atom is mostly empty space
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Thomson
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How did a positively charged eletric feild affect the cathode ray?
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Caused the cathode ray to bend toward it
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What did this tell us about the charge of the cathode ray?
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It is NEGATIVE
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When a paddle wheel was placed in the path of the cathode ray, it turned. What did this tell us about the cathode ray?
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Made of particles with mass
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What particle did Thomson discover?
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Electron
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