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Unformatted text preview: padilla (tp5647) HW04: Atomic Theory Part II shear (52375) 1 This printout should have 15 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. The last six questions are on material that will be covered in class on Tuesday. Read section 12.15 and attempt anyhow. 001 10.0 points In a onedimensional particle in a box, for n = 6, how many wavelengths equals the size of the box? 1. 1 2. 3 correct 3. 12 4. 2.5 5. 6 Explanation: For n = 6 the wavefunction would be x = 0 x = L 002 10.0 points The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4, = 1, m = 1. The electron is located in what type of orbital? 1. 4 p correct 2. 4 d 3. 3 d 4. 3 p 5. 4 s Explanation: The notation is n , where n = 1 , 2 , 3 , 4 , 5 , ... , = 0 , 1 , 2 , ..., ( n 1) represented as a letter: 1 2 3 4 5 etc. orbital s p d f g h and m = , (  1) , (  2) , ..., , ..., +(  2) , +(  1) , . The value of m is not needed to determine the orbital type, as long as it is valid. 003 10.0 points An electron in a 3 d orbital could have which of the following quantum numbers? 1. n = 3; = 2; m = 3 2. n = 3; = 3; m = 1 3. n = 3; = 1; m = 2 4. n = 3; = 0; m = 0 5. n = 2; = 2; m = 6 6. n = 3; = 1; m = 1 7. n = 3; = 2; m = 0 correct Explanation: 3 refers to the principal quantum number...
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 Spring '09
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