Cr का वास्तविक इलेक्ट्रोनिक विन्यास है ? - What is the actual electronic configuration of Cr? - Cr Ka Wastwik Electronic Vinyas Hai ? General Science in hindi, Chemistry 3d⁶4s⁰ question answers in hindi pdf 3d⁴4s² questions in hindi, Know About 3d⁵4s¹ General Science online test General Science notes in hindi quiz book Inme Se Koi Nahin
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C is correct not a