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Question

K M n O_{4}

এ ম্যাঙ্গানিজের ইলেক্ট্রন বিন্যাস কোনটি?

[A r] 3 d^{5} 4 s^{2}

[A r] 3 d^{3} 4 s^{2}

[A r] 3 d 4 s

[A r] 3 d^{5} 4 s^{1}

[A r] 3 d^{4} 4 s^{2}

ANS : 3

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