Chemistry 5.2 Notes

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Author:
Mamadams
ID:
292870
Filename:
Chemistry 5.2 Notes
Updated:
2015-01-12 21:19:07
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Chemistry
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Chemistry
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Notes
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  1. When something falls energy is decreased
  2. 3 rules- the Aufbau Principle, the Pauli exclusion principle, and Hund's rule tell you how to fnd the electron configurations of atoms
  3. Aufbau Principle- electrons occupy the orbitals of lowest energy are first
  4. Pauli Exclusion Principle- atomic orbital may describe at most 2 electrons
  5. Hund''s Rule-electrons occupy orbitals off the same energy in a way that makes the number of eletrons with the same spin direction as large as possible
  6. Some actual electron configurations differ from those assigned using the Aufbau Principle because half-filled sublevels aren't as stable as filled sublevels, but they are more stable than other configurations

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