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Quiz 6 Key - 5 =[Ar(4s 1(3d 5(3(2 pts For the following...

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Chemistry 201X: Quiz #6 October 12, 2007 Name:______KEY__________________________ (1) (2 pts) Which of the following sets of quantum numbers for an electron in an atom are allowed ? (Circle your choice(s).) (a) n = 3, l = 1, m = 0, m s = 1/2 (b) n = 5, l = 1, m = 2, m s = 1/2 (c) n = 7, l = 2, m = 2, m s = 1/2 (d) n = 3, l = 3, m = 0, m s = 1/2 (2) (2 pts) What is the electronic configuration of the ground state of the Cr atom? Z = 24: (1s) 2 (2s) 2 (2p) 6 (3s) 2 (3p) 6 (4s) 1 (3d)
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Unformatted text preview: 5 = [Ar](4s) 1 (3d) 5 (3) (2 pts) For the following properties, circle the element that has the largest value . First ionization energy: P S Cl Radius: Ne Na + Mg 2+ Electronegativity Cl Br I Energy of 2 p AO B C N (4) (2 pts) Draw a σ p bonding molecular orbital. Label the nodes. (5) (2 pts) To be attracted by a magnet (paramagnetic), what is required? Unpaired electrons (unpaired electron spins)....
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