121quiz4Rpractice

121quiz4Rpractice - is the electron configuration of a(n)...

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Practice Quiz 3 (Thursday) Dr. Heyns Chemistry 121 Week of Autumn Quarter 2006 October 30, 2006 Time: 20 min Points: 30 Name of student:__________________________________ Name of TA:______________________________________ (Some physical constants and an equation are given at the end of the quiz.) 1. (8 pts) When the electron in a hydrogen atom moves from n = 6 to n = 2, light with a wavelength of __________ nm is emitted. a) 93.8 b) 434 c) 487 d) 657 e) 411 1
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2. (6 pts) What is the de Broglie wavelength (m) of a 25 g object moving at a speed of 5.0 m/s? a) 1.9 × 32 10 b) 5.3 × -33 10 c) 6.6 × -36 10 d) 3.32 × -36 10 e) 3.02 × 45 10 3. (4 pts) 2 10 3 [Ar]4s 3d 4p
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Unformatted text preview: is the electron configuration of a(n) __________ atom. a) As b) V c) P d) Sb e) Sn 4. (4 pts) The total number of orbitals in a shell is given by __________. a) 2 I b) 2 n c) 2n d) 2n + 1 e) 2l + 1 5. (3 pts) Which one of the following is not a valid value for the magnetic quantum number of an electron in a 5d subshell? a) 2 b) 3 c) 0 d) 1 e) -1 2 6. (5 pts) Which electron configuration represents a violation of the Pauli exclusion principle? a) b) c) d) e) Physical constants and equation: h =6.626 x 10-34 J-s ; c = 3.00 x 10 8 m/s; Rydberg equation is: 1/ = R H {1/n i 2 1/n f 2 }; R H = 1.097 x 10 7 m-1 3...
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121quiz4Rpractice - is the electron configuration of a(n)...

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