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Exam01answers pg3 - 1[Kr 4 d 3 5 s 1 5 p 6 2[Kr 4 d 10...

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Cheung, Anthony – Exam 1 – Due: Sep 27 2006, 1:00 pm – Inst: McCord 2 3. 2 . 0 × 10 - 16 J 4. 2 . 0 × 10 - 13 J correct 5. 2 . 0 × 10 - 19 J 6. 6 . 4 × 10 - 10 J 7. 6 . 4 × 10 - 14 J Explanation: λ = 1 . 00 × 10 - 3 nm E photon = ? E photon = = hc λ = (6 . 626 × 10 - 34 J · s)(3 . 0 × 10 8 m/s) (1 . 00 × 10 - 3 nm)(10 - 9 m/nm) = 2 . 0 × 10 - 13 J 005 (part 1 of 1) 10 points If a particle is confined to a one-dimensional box of length 300 pm, for Ψ 3 the particle is most likely to be found at 1. 50, 150, and 250 pm, respectively. cor- rect 2. 17.3 pm. 3. 0 pm. 4. 100 and 200 pm, respectively. 5. 300 pm. Explanation: 006 (part 1 of 1) 10 points In a one-dimensional particle in a box, for n = 6, how many wavelengths equals the size of the box? 1. 6 2. 12 3. 3 correct 4. 1 5. 2.5 Explanation: 007 (part 1 of 1) 10 points Write the ground-state electron configuration of a tin(IV) ion.
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Unformatted text preview: 1. [Kr] 4 d 3 5 s 1 5 p 6 2. [Kr] 4 d 10 correct 3. [Kr] 4 d 5 5 s 2 5 p 3 4. [Kr] 4 d 4 5 p 6 5. [Kr] 4 d 5 5 p 5 Explanation: 008 (part 1 of 1) 10 points The lines in an atomic line emission spectrum are due to 1. the movement of electrons from higher energy states to lower energy states in atoms. correct 2. the movement of electrons from lower en-ergy states to higher energy states in atoms. 3. nuclear transitions in atoms. 4. the presence of isotopes. Explanation: 009 (part 1 of 1) 10 points A given atomic orbital has a total of two nodal planes. What type of orbital is this? 1. f 2. d correct 3. s 4. g...
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