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Unformatted text preview: ©2010 Digital Interactive Video Education LESSON 8: DEVELOPMENT OF THE ATOMIC MODEL Assignment: 1) Read textbook pages corresponding to this topic. 2) Defne the ¡ollowing terms: Atom, model, law of deFnite composition, quantum, electron, neutron, proton, continuous spectrum, line spectrum, quantized, principal energy level, Heisenberg uncertainty principle 3) Watch lecture and take notes. 4) Complete review questions, and check answers. LESSON 8 REVIEW QUESTIONS Solutions are at the end o¡ the video ¡or this lesson. (1-10) (1 pt. each) Circle the best answer. 1) Electrons have a ______________ charge a) positive b) negative c) neutral 2) Protons have a ______________ charge a) positive b) negative c) neutral 3) _______________ determined that di¡¡erent elements have di¡¡erent masses. a) Dalton b)Democritus c)Ruther¡ord d)Thomson e)Bohr 4) ___________________ discovered electrons. a) Dalton b)Democritus c)Ruther¡ord d)Thomson e)Bohr 5) Prior to the quantum model, the atomic model developed by ______________ was the most sophisticated...
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