Find the incorrect match among the following electronic configurations and their corresponding period and group numbers.

1. [Ar] 3d⁵ 4s¹ → 4th period, 6th group
2. [Kr] 4d¹⁰ → 5th period, 12th group
3. [Rn] 6d² 7s² → 7th period, 3rd group
4. [Xe] 4f¹⁴ 5d² 6s² → 6th period, 4th group

Subtopic:  Electronic Configuration |
 51%
Level 3: 35%-60%
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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 |
Level 3: 35%-60%
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The correct electronic configuration of an element that is just above the 4th period and belongs to the 16th group is:

1. 4s23d104p4

2. 2s22p4

3. 3s23p4

4. 5s25d104p4
Subtopic:  Electronic Configuration |
 63%
Level 2: 60%+
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