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1 14 s-1 .A) 12.0 nm B) 343 nm C) 686 nm D) 674 nm E) none of the above 2 A) 5.4 x 107 Hz B) 1.9 x 10-11 Hz C) 5.4 x 1010 Hz D) 1.1 x 108 Hz E) none of the above 3 A) 5.3 x 10-47 J B) 8.3 x 10-24 J C) 5.3 x 10-45 J D) -8.3 x 10-21 J E) none of the above 4 a in Figure B7.4 in your textbook. Which of the following statements is false ?A) Chlorophyll a absorbs light of wavelengths between 400 and 480 nm. B) Chlorophyll a absorbs light of wavelengths between 640 and 680 nm. C) Chlorophyll a transmits light of wavelengths between 500 and 600 nm. D) Chlorophyll a has a maximum absorbance at a wavelength near 450 nm. E) Chlorophyll a has a maximum transmittance at a wavelength of 663 nm. 5 n 1 = 1, predicts an ultraviolet series of spectral lines of atomic hydrogen. Which of the following wavelengths is not predicted by the equation? <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0310402656/37547/lamda.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]> 7 m-1 ) x (1/n 1 2 - 1/n 2 2 )A) 182 nm B) 103 nm C) 97 nm D) 95 nm E) 91 nm 6 A) is proportional to n 2 . B) is smallest for the highest energy state. C) increases when a photon of light is emitted from an excited atom. D) can have any value that is larger than the ground-state radius. E) none of the above 7 n = 3 to n = 1 energy level, based on the Bohr theory.
E n -18 J(1/n 2 )A) 2.92 x 1015 s-1 B) 1.94 x 10-18 s-1 C) 3.21 x 1015 s-1 D) 3.05 x 10-15 s-1 E) Not enough information given to calculate answer. 8 least energetic photon? En = (-2.18 x 10-18 J)(1/n 2 )A) n = 5 to n = 3B) n = 6 to n = 1C) n = 4 to n = 3D) n = 5 to n = 4E) n = 6 to n = 59 -34 m. If a baseball could travel at the speed of light, what would be its de Broglie wavelength at that speed?A) 1.7 x 10-41 m B) 1.5 x 10-26 m C) 1.7 x 10-43 m D) 1.5 x 10-28 m E) 1.5 x 10-24 m 10 3 m/s, the uncertainty in its position (in m) is at leastA) 66 m B) 17 m C) 6.6 x 10-8 m D) 1.7 x 10-8 m E) none of the above 11 not a one-electron system?A) H B) He+ C) Li2+ D) Be2+ E) O7+ 12 ml are allowable for an orbital with l = 2?A) 0 B) 2 C) -1 D) none of the above E) all of the above 13 n = 3?A) 4 B) 7 C) 9 D) 10 E) 18 14 s atomic orbital areA) two points near the nucleus and another point at an infinite distance from the nucleus. B) three spherical solids. C) one plane and two spheres. D) two concentric circles. E) two concentric spheres. 15 dxz orbital. Which of the following statements is incorrect ?A) The xz plane is a nodal surface. B) The xz plane divides the electron probability distribution into two identical mirror-image halves. C) The xy plane divides the electron probability distribution into two identical mirror-image halves. D) The yz plane divides the electron probability distribution into two identical mirror-image halves. E) The nucleus is located at a node.
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