Quiz - 1(Points 5.88 How many photons of light having a wavelength of 656 nm are necessary to provide 1.0 J of energy 1 3.3 x 10 18 2 3.5 x 10 3

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1.  (Points: 5.88)      How many photons of light having a wavelength of  656 nm are necessary to provide 1.0 J of energy? 1. ) 3.3 x 10 18 2. ) 3.5 x 10 -28 3. ) 3.1 x 10 23 4. ) 2.8 x 10 27 5. ) 3.0 x 10 -19   Save Answer     2.  (Points: 5.88)      Determine which H atom transition (n initial ,n final ) was  responsible for the emission of a photon with a  frequency of 6.17 x 10 14  Hz. [R H  = 2.18 x 10 -18  J; h = 6.63 x 10 -34  J s ] 1. ) (4,2) 2. ) (3,2) 3. ) (5,2) 4. ) (2,4) 5. ) (2,3)   Save Answer  
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(Points: 5.88)      3.  (Points: 5.88)      Select the two   true  statements from the following: 1. There are three 2p orbitals and five 3p orbitals. 2. For a helium atom, a 3d electron is of higher  energy than a 3s electron. 3. An  l  = 3 orbital is called an f orbital. 4. Only three different orientations in space are  possible for d orbitals. 5. The quantum number m l  for an electron can never  be less than the quantum number  l  for that electron.   Save Answer     4.  (Points: 5.88)      An atom in its ground state contains 36 electrons.  How many of these are in orbitals with  l  = 2? 1. ) 10
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This note was uploaded on 10/13/2009 for the course CHEM 1a03 taught by Professor Landry during the Spring '08 term at McMaster University.

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Quiz - 1(Points 5.88 How many photons of light having a wavelength of 656 nm are necessary to provide 1.0 J of energy 1 3.3 x 10 18 2 3.5 x 10 3

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