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Question

_{42} M o

এর সঠিক ইলেক্ট্রন বিন্যাস কোনটি ?

[K r] 5 s^{2} 5 p^{4}

[K r] 4 d^{6}

[K r] 4 d^{5} 5 s^{1}

[K r] 4 d^{4} 5 s^{2}

[K r] 4 d^{3} 5 s^{2} 5 p^{1}

ANS : 3

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