HW2 - momin (rrm497) Homework 2 Sutcliffe (53120) 1 This...

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Unformatted text preview: momin (rrm497) Homework 2 Sutcliffe (53120) 1 This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. This assignment is due at 11pm on the date indicated in the assignment menu on Quest. 001 10.0 points 2 ( x, y, z ) is related to 1. the Laplacian transform of the Bohr equa- tion. 2. the probability of finding an electron at the point ( x, y, z ) in space with the origin (0) at the nucleus. correct 3. Bohr magnetons. 4. the probability of a p orbital becoming an s orbital. 5. the nocturnal emissions of mercury lamps. Explanation: 2 gives the probability of finding an elec- tron in a particular infinitesimally small vol- ume of space in an atom. 002 10.0 points In a one-dimensional particle in a box, for 4 , how many nodes are predicted? 1. 3 correct 2. 1 3. 4 4. 5. 2 Explanation: b b b 003 10.0 points What is the subshell notation and the number of orbitals that can have the quantum num- bers n = 1 , = 0? 1. 1 p ; 5 2. 1 p ; 1 3. 1 s ; 1 correct 4. None of these 5. 1 s ; 2 6. 1 p ; 2 Explanation: The notation is n where n = 1 , 2 , 3 , 4 , 5 , = 0 , 1 , 2 , , ( n- 1) represented by a letter: value 1 2 3 4 5 letter s p d f g h m =- ,- ( - 1) ,- ( - 2) , , , +( - 2) , +( - 1) , + and m s = 1 2 . To find the number of orbitals that can have the stated values of n and (and any allowed values of m and m s ), use to find the number of different values of m . To find the maximum number of electrons that can have the stated values of n and (and any allowed value of m and m s ), double the number of different values of m . 004 10.0 points The n and quantum numbers of the last electron of an element are n = 4 and = 2 . The element is 1. a representative element. 2. a d-transition metal. correct 3. a nonmetal. 4. an f-transition metal. momin (rrm497) Homework 2 Sutcliffe (53120) 2 5. a noble gas. Explanation: Where = 2, d electrons are filling. These are the transition metals....
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This note was uploaded on 12/11/2009 for the course CH 301 taught by Professor Fakhreddine/lyon during the Spring '07 term at University of Texas at Austin.

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HW2 - momin (rrm497) Homework 2 Sutcliffe (53120) 1 This...

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