Exam2ans_2006 - Exam 2 CEM 151 October 18 2006 Name Section PID Multiple choice(3 points each 1 The quantum number is most responsible for defining

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Exam 2 CEM 151 October, 18, 2006 Name ___________________ Section __________________ PID _____________________ Multiple choice (3 points each). 1. The _______ quantum number is most responsible for defining the shape of an orbital. a. spin b. azimuthal c. Ψ d. magnetic e. n f. m s 2. There are _______orbitals in the third shell. a. 25 b. 4 c. 9 d. 16 e. 1 f. 8 g. 12 3. The azimuthal quantum number is 3 in _______orbitals. a. s b. p c. d d. f e. a f. m s 4. Electrons in the ______ subshell of tin experience the lowest effective nuclear charge. a. 1s b. 3p c. 3d d. 5s e. 5p f. 4f 5. [Ar]4s 2 3d 10 4p 3 is the electron configuration for a(n) __________atom. a. As b. V
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d. Sb e. Sn f. Ge 6. The ground state electron configuration for a Cd atom is: a. [Ar]4s 2 4d 9 b. [Kr]5s 2 4d 10 c. [Kr]5s 2 3d 9 d. [Xe]5s 2 5d 10 e. [Kr]5s 2 3d 10 f. [Xe]5s 1 5d 11 7. How many unpaired electrons are in an Arsenic (As) atom? a. 0 b. 1 c. 2 d. 3 e. 4 f. 5 g. 6 8. How many valence electrons are there in Ni? a. 2 b. 3 c. 4 d. 6 e. 8 f. 9 g. 10 9. What are the valence electrons in Zn? a. 4s and 3d b. 4s c. 3d d. 4p e. 3p f. 5s 10. Suppose that the spin quantum number m s had four possible values instead of two. How many elements would then be in the first two rows of the periodic table? a. 8
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This note was uploaded on 09/22/2008 for the course CEM 151 taught by Professor Gigger during the Spring '08 term at Michigan State University.

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Exam2ans_2006 - Exam 2 CEM 151 October 18 2006 Name Section PID Multiple choice(3 points each 1 The quantum number is most responsible for defining

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