The incorrect match among the following options is : 

1. Ar3d54s1 4th period, 6th group

2.  Kr4d10 5th period, 12th group

3.  Rn6d27s2 7th period, 3th group

4.  Xe4f145d26s2 6th period, 4th group

Subtopic:  Electronic Configuration |
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The element having electronic configuration [Kr]4d104f14, 5s25p6, 6s2 belongs to:

1. s-block

2. p-block

3. d-block

4. f-block

Subtopic:  Electronic Configuration |
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The correct electronic configuration of an element that is just above the 4th period and belongs to the 16th group:


1.  4s23d104p4

2.  2s22p4

3.  3s23p4

4.  5s25d104p4
Subtopic:  Electronic Configuration |
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