102 Exam 2 practice F13 (from F12)

# The energy of a photon of green light is a 364 x 10

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Unformatted text preview: stry 12)Which of the following elements has the most negative electron affinity? a. Ne b. O c. C d. Be 13)For an electron with ℓ = 2, mℓ can have … a. only one value b. one of two possible values c. one of three possible values d. one of five possible values 14)Give a possible set of quantum numbers (n,l,ml,s) for a 2p electron in sulfur. a. 2, 1, 2, - ½ b. 2, 1, 1, +½ c. 2, 2, - 1, +½ d. 2, 2, 1, +½ 15)Compare the three solid sulfides: MgS, CaS, and ZnS. Based on periodic trends it is expected that the distance between the metal ion and the sulfide: a. Is the same in all three ionic compound b. Is different in all three and is smallest in ZnS and largest in MgS. c. Is different in all three and is smallest in MgS and largest in ZnS. d. Is different in all three and is smallest in MgS and largest in CaS. 16)Green light has a wavelength of 550 nm. The energy of a photon of green light is a. 3.64 x 10- 38 J b. 1.09 x 10- 27 J c. 3.61 x 10- 19 J d. 5.45 x 1012 J 17)Below is a plot of radial probability vs distance from the nucleus for three n=3 orbitals, labeled A, B and C. Identify which letter corresponds to 3s, which to 3p, and which to 3d. a. b. c. d. 3s = C, 3p = B, 3d = A 3s = B, 3p = A, 3d = C 3s = A, 3p = C, 3d = B 3s = A, 3p = B, 3d = C CHEM 102 Fall 2013 Exam 2 Practice 3 Hunter College of the City University of New York Department of Chemistry &amp; Biochemistry 18)Which of the following electron transitions in a hydrogen atom results in the greatest release of energy? a. n=5 to n=4 b. n=5 to n=3 c. n...
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## This note was uploaded on 02/01/2014 for the course CHEM 102 taught by Professor Peterpastos during the Fall '08 term at CUNY Hunter.

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