A) It has a completely filled s-orbital and a partially filled d-orbital.
B) It has completely filled s-and p-orbitals and a partially filled d- orbital.
C) It has completely filled s-and p-orbitals and a half-filled s-orbital.
D) It has a half-filled p-orbital and completely filled s-and d-orbitals.
Correct Answer: D
Solution :
[d]: Element X belongs to fourth period and fifteenth group.Period | 1 | 2 | 3 | 4 |
Group 15 | Ni] | N(7) | P(15) | As(33) |
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