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Ch_07a - Chapter 7 Atomic Structure Classical View...

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Chapter 7 Atomic Structure Classical View – discovery of electrons and properties of electrons Experiments with Light – Quantum Theory Quantum View – behavior of electrons in atoms 2 The Classic View of Atomic Structure Discovery of electrons and properties of electrons
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3 Cathode Rays Cathode rays are the carriers of electric current from cathode to anode inside a vacuumed tube Emit perpendicular to the cathode surface when electricity is passed through an evacuated tube ... ... and travel in straight lines 4 Cathode Rays Cause glass and other materials to fluoresce Deflect in a magnetic field as expected for negatively charged particles Cathode ray properties are independent of materials in the tube
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