Review_ - GENERAL CHEMISTRY I(CHEM 1411 REVIEW FOR LECTURE...

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GENERAL CHEMISTRY I (CHEM 1411) REVIEW FOR LECTURE TEST # 3 CHAPTERS: 7, 8, 9 , & 10 Time : 2 hours. Tests will include 30 multiple choice questions (2 points each) and 8 partial credit questions (5 points each) along with a bonus questions. Review problems worked out in class along with those assigned from each chapter. Students need to bring scantron forms , a scientific calculator and pencils/pens . Values of constants and relatively complex equations will be provided. CHAPTER 7: • Electromagnetic radiation • c = wavelength x frequency • Relationship between energy of radiation and its frequency or wavelength • Planck’s quantum theory, E = h x frequency • Bohr’s model of the hydrogen atom • Principal quantum number, n, E n = - R H ( 1 / n 2 ), n = 1, 2, 3, ...... • Electronic transitions, ^ E = R H ( 1/ n i 2 - 1/n f 2 ) • Wave functions and electron densities • Quantum mechanical description of orbitals, their shapes, energies, and

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