J05chem106exam1 - Chem 106 J-Term 2005 Exam 1 Name kgm 2 =...

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Chem 106 J-Term 2005. Exam 1 Name_____________________________ Useful information: E = h ν , h= 6.626 x 10 -34 Js, J = kgm 2 s 2 , λν = c , c= 3.00 x 10 8 m/s, λ = h mv , ( x )( v ) h 4 π m , 1 λ = R 1 n final 2 1 n initial 2 , R = 0.01097 nm -1 , U = k Z 1 Z 2 d (1)(4 points) What determines the color of light? If a light is made more intense, what has changed about the light? (2)(4 points) Define the following (a) the Pauli Exclusion Principle (b) Hund’s rule (3)(4 points) List and name the four quantum numbers for an electron.
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(4)(3 points) List the possible quantum numbers for the following orbitals (a) 4s (b) 3d (c) 5p (5)(4 points) Write out the ground state electron configuration for the following atoms or ions (do not use the noble gas shortcut) (a) P (b) Ca (c) Sc + (d) Cl - (6)(4 points) Label each of the following as a ground state, an excited state, or an impossible electron configuration (a) 1s 2 2s 2 2p 5 3s 2 3p 4 (b) 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 1 (c) 1s 2 2s 2 2p 6 3s 2 3p 4 4s 3 (d) 1s 2 2s 2 2p 6 3s 2 3p 4 4s 2 4p 2
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