Page 13 - Electronic Configuration
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PAULI EXCLUSION PRINCIPLE
No two electrons in an atom can
have the same four quantum numbers.
He atom
1s 2
1 electron (1,0,0, +½ ) (1,0,0, -½ ) (1,0,0, +½ )
st
2 nd electron (1,0,0, +½ ) (1,0,0, -½ ) (1,0,0, -½ )
Wolgang Pauli (1900-1958). Austrian physicist.
