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Q.

Elements after atomic number 103 have not been discovered till now. If an element with atomic number 106 were ever discovered which of the following electronic configuration will it possess

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a

$[R n] 5 f^{14} 6 d^{4} 7 s^{2}$

b

$[R n] 5 f^{14} 6 d^{5} 7 s^{1}$

c

$[R n] 5 f^{14} 6 d^{6} 7 s^{0}$

d

$[R n] 5 f^{14} 6 d^{1} 7 s^{2} 7 p^{3}$

answer is A.

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$[R n] 5 f^{14} 6 d^{4} 7 s^{2}$

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