Electronic configuration of Ni is [Ar]3d8,4s2. The electronic configuration of next element is

Question

**Options:**
- **A.** [Ar]3d104s1
- **B.** [Ar]3d9 4s2
- **C.** 3d84s24p1
- **D.** None

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**Difficulty:** HARD | **Chapter:** Atomic Structure | **Topic:** Electronic configuration & magnetic properties

Accepted Answer

## ✅ Correct Answer: **A**

### 📖 Detailed Explanation:
**Solution:**

**Analyzing each option:**

(A) ✓ [Ar]3d104s1...
(B) ✗ [Ar]3d9 4s2...
(C) ✗ 3d84s24p1...
(D) ✗ None...

**Correct Answer: (A)**

**Key Concept:** Apply fundamental principles of atomic structure to identify the correct option.

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Official Solution