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Question

নিম্নের সেটগুলোর কোনটি ক্রোমিয়াম 24Cr এবং Cr3+ আয়নের ইলেকট্রনিক বিন্যাস দেখায়?

Cr = [Ar] 3d54s1 and Cr3+ = [Ar] 3d34s0

Cr = [Ar] 3d44s2 and Cr3+ = [Ar] 3d14s2

Cr = [Ar] 3d44s2 and Cr3+ = [Ar] 3d34s0

ANS : 1

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