1. Jan 27, 2016 #1

   fangrz

   

   How does the Pauli-exclusion principle explain ionization energy trends? Is it just that as you move down the periodic table, the electrons experience repulsion between each other, and thus the atoms get bigger?

    

   fangrz, Jan 27, 2016
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3. Jan 27, 2016 #2

   blue_leaf77

   

   Science Advisor

   Homework Helper

   Pauli principle alone cannot explain the ionization energy trend, there are also nuclear charge and subshell wavefunction which contribute more to this trend.

    

   blue_leaf77, Jan 27, 2016
4. Jan 27, 2016 #3

   alw34

   

   Does the first chart & explanation here answer your question?
   
   https://en.wikipedia.org/wiki/Ionization_energy
   
   Or try further down that same page...."Quantum Mechanical Explanation".

    

   alw34, Jan 27, 2016

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