which of the following is not possible electronic configuration for an atom? (a)1s2, 2s2, 2px1, 2py1 (b)1s2, 2s2, 2px2, 2py2, 2pz1 (c)1s2, 2s2, 2px2 (d)1s2, 2s2, 2py1, 2pz1

which of the following is not possible electronic configuration for an

1.	which of the following is not possible electronic configuration for an atom? (a)1s2, 2s2, 2px1, 2py1 (b)1s2, 2s2, 2px2, 2py2, 2pz1 (c)1s2, 2s2, 2px2 (d)1s2, 2s2, 2py1, 2pz1
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