Chemistry · Periodic Table
The outermost electronic configuration of a group 13 element, E, is 4s2 4p1. The electronic configuration of an element of the p-block, period five, placed diagonally to element E is:
- 1[Kr] 3d10 4s2 4p2
- 2[Ar] 3d10 4s2 4p2
- 3[Xe] 5d10 6s2 6p2
- 4[Kr] 4d10 5s2 5p2✓
Correct answer
[Kr] 4d10 5s2 5p2
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