past exams chem 301 - 1A 8A 1 2 H He 1.008 2A 3A 4A 5A 6A...

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Unformatted text preview: 1A 8A 1 2 H He 1.008 2A 3A 4A 5A 6A 7A 4.003 3 4 5 6 7 8 9 10 Li Be B C N O F Ne 6.94 9.01 10.81 12.01 14.01 16.00 19.00 20.18 11 12 13 14 15 16 17 18 Na Mg Al Si P S Cl Ar 22.99 24.30 3B 4B 5B 6B 7B 8B 1B 2B 26.98 28.09 30.97 32.06 35.45 39.95 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39.10 40.08 44.96 47.90 50.94 52.00 54.94 55.85 58.93 58.71 63.55 65.41 69.72 72.64 74.92 78.96 79.90 83.80 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe 85.5 87.6 88.9 91.2 92.9 95.9 98.9 101.1 102.9 106.4 107.9 112.4 114.8 118.7 121.7 127.6 126.9 131.3 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn 132.9 137.3 138.9 178.5 180.9 183.9 186.2 190.2 192.2 195.1 197.0 200.6 204.4 207.2 209.0 210.0 210.0 222.0 87 88 89 104 105 106 107 108 109 110 Fr Ra Ac Rf Db Sg Bh Hs Mt Ds (223) (226) (227) (261) (262) (266) (262) (277) (268) ( ) 58 59 60 61 62 63 64 65 66 67 68 69 70 71 Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 140.1 141.0 144.2 145.0 150.3 152.0 157.2 158.9 162.5 164.9 167.3 168.9 173.0 175.0 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr 232.0 231.0 238.0 (237) (244) (243) (247) (247) (251) (252) (257) (258) (259) (260) ( r,, ) = R ( r ) z }| { 1 2 6 1 a 3 / 2 re- r/ 2 a Y ( , ) z }| { 3 4 1 / 2 sin cos Some Constants: c = 3 . 00 10 8 m/s c 2 = 1 . 44 10- 2 K m h = 6 . 626 10- 34 J s m e = 9 . 11 10- 31 kg R = 3 . 29 10 15 s- 1 N A = 6 . 022 10 23 mol- 1 E n = n 2 h 2 8 mL 2- h 2 2 m d 2 d x 2 + V ( x ) = E Pickering, Tracey Exam 1 Due: Sep 28 2005, 3:00 pm Inst: McCord 2 This print-out should have 22 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points Radio stationKLBJbroadcasts ata frequency of 93 . 7 10 6 s- 1 . Determine the length of the waves that cor- responds to this frequency. 1. 3.20 m correct 2. 2 nm 3. 93.7 m 4. 3.20 nm 5. 2 10- 8 m Explanation: 002 (part 1 of 1) 10 points Which of the following has the smallest atomic radius? 1. P 2. Si 3. Al 4. Cl correct 5. S Explanation: 003 (part 1 of 1) 10 points In the spectrum of atomic hydrogen, a blue line is observed at 486 nm. What are the beginning and ending energy levels of the electron during the emission of energy that leads to this spectral line? 1. n = 6, n = 3 2. n = 4, n = 3 3. n = 4, n = 2 correct 4. n = 5, n = 2 5. n = 3, n = 2 6. n = 5, n = 3 7. n = 6, n = 2 Explanation: = 486 nm = 4 . 86 10- 7 m Because the line is in the visible part of the spectrum, it belongs to the Balmer series for which the ending n is 2....
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past exams chem 301 - 1A 8A 1 2 H He 1.008 2A 3A 4A 5A 6A...

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