Exam+3 - Chem 1310 Section G Exam 3 Professor Azizi Name...

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Chem 1310 Section G Name: _______________________ Exam 3 Professor Azizi Date: _____________________ 1 There are 25 questions; each question is worth 4 points. Please fill in the appropriate answer on your scantron with a pencil. No partial credit will be given. 1. Which of the following statements is (are) true? I. An excited atom can return to its ground state by absorbing electromagnetic radiation. II. The energy of an atom is increased when electromagnetic radiation is emitted from it. III. The energy of electromagnetic radiation increases as its frequency increases. IV. An electron in the n = 4 state in the hydrogen atom can go to the n = 2 state by emitting electromagnetic radiation at the appropriate frequency. V. The frequency and wavelength of electromagnetic radiation are inversely proportional to each other. a) II, III, IV b) III, V c) I, II, III d) III, IV, V e) I, II, IV 2. In the portion of the curve labeled B , a. Attractive forces dominate over repulsive forces. b. Repulsive forces dominate over attractive forces. c. Attractive and repulsive forces roughly balance. d. Indicates the bond length e. Both C and D
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Chem 1310 Section G Name: _______________________ Exam 3 Professor Azizi Date: _____________________ 2 3. Which of the following statements is true ? a) The exact location of an electron can be determined if we know its energy. b) An electron in a 2s orbital can have the same n , l , and m l quantum numbers as an electron in a 3s orbital. c) Ni has 2 unpaired electrons in its 3d orbitals.
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Exam+3 - Chem 1310 Section G Exam 3 Professor Azizi Name...

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