ps9 - CHEMISTRY 121 Problem Set 9 1. Which of the following...

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CHEMISTRY 121 1 Department of Chemistry University of British Columbia Problem Set 9 Atomic Structure II 1. Which of the following orbitals can exist? (a) 3 d (b) 3 f (c) 2 s (d) 5 d (e) 2 d 2. What is the maximum number of electrons that can be placed in the 4 d z 2 orbital? 3. What is the maximum number of electrons that can be placed in all the 5 f orbitals? 4. Which of the following sets of quantum numbers ( n , l , m , m s ) are disallowed for an electron in an atom? (a) 4, 2, 0, +1/2 (b) 3, 3, -3, -1/2 (c) 2, 0, +1, +1/2 (d) 4, 3, 0, + 1/2 (e) 3, 2, -2, -1 5. All the alkaline earth metals in their ground states possess two s electrons in their valence shell. True or False? 6. Sketch a cross-section of the 5 d yz orbital? Be sure to label your axis system and indicate phases (by + or –) on your drawing. 7. For which element(s) does the electron in the outermost occupied orbital have the quantum numbers n = 3 and = 1? 8. Which of the following sets of atomic number and electron configuration represent the ground state configuration of an atom or ion?
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This note was uploaded on 11/03/2009 for the course ECON 210 taught by Professor James during the Spring '09 term at The University of British Columbia.

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ps9 - CHEMISTRY 121 Problem Set 9 1. Which of the following...

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