MCQ
कॉपर (Z = 29) का इलेक्ट्रॉनिक विन्यास है
- A$[A r] 3 d^9 4 s^2$
- ✓$[A r] 3 d^{10} 4 s^1$
- C$[A r] 3 d^8 4 s^2$
- D$[A r] 3 d^{10} 4 s^2$
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