Project #69951 - chemistry

According to the Pauli exclusion principle which configuration is NOT possible?

 

1.         ↑↓ ↑↓   ↑↓   ↑↓   ↑↓                  2.         ↑↓ ↑↓    ↑     ↑     ↑

            1s 2s 2px 2py 2pz                               1s 2s 2px 2py 2pz

 

3.         ↑↓ ↑↑   ↑↓  ↑↓    ↑↓                  4.         ↑↓ ↑↓   ↑↓    ↑     ↑

            1s 2s 2px 2py 2pz                               1s 2s 2px 2py 2pz

 

 

According to the Aufbau principle which configuration is correct?

 

a.         ↑↓ ↑↓    ↑     ↑     ↑    ↑          b.         ↑↓ ↑↓   ↑↓  ↑↓   ↑↓

            1s 2s 2px 2py 2pz 3s                   1s 2s 2px 2py 2pz 3s

 

c.         ↑↓ ↑↓   ↑↓   ↑↓    ↑    ↓          d.         ↑↓ ↑↓    ↑     ↑    ↓   ↑↓

            1s 2s 2px 2py 2pz 3s                      1s 2s 2px 2py 2pz 3s

Subject Science
Due By (Pacific Time) 05/05/2015 03:12 am
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