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Paulini Exclusion Principle

1. He says that two electrons in an atom can't have identical quantum numbers

2. Is part of one of the most basic observations of nature

   • particles of 1/2 integer spin must have not simectric wavefunctions
     • particles of integer spin must have symmetric wavefunctions

3. you need to know the principal quantum number that is "n"

   • the azimuthal quantum number "l"
     • the magnetic quantum number "m"
       • The values of first three quantum numbers for an electron determine exactly which orbital the electron in

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