Assignment 2 2010 - 2010 Chemistry2353Assignment2 1.

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2010 Chemistry 2353 Assignment 2 1. (3 pts) Using Slater’s rules, determine the effective nuclear charge for a 2p electron in O and O 2- .  Discuss the  relative sizes of the atomic/ionic radii based on your result. 2. (5 pts) Using Slater’s rules, calculate Z eff   for the outermost electron in Al, Al + , Al 2+  and Al 3+ .  Discuss your  results relative to the expected ionization energies for these species.  Be specific. 3. (2 pts) Which of the following pairs will be smaller?  Explain your reasoning. Br -  or Rb + 4.  (4 pts) Rank the following atoms in order of increasing ionization energy.  Explain the reasoning behind your  ranking.  Si, P, and S 5.
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