The electronic configuration and the group number in the periodic table in which the element with atomic number 107 lies are

Question

The electronic configuration and the group number in the periodic table in which the element with atomic number 107 lies are (A) [ Rn ] 5 f4 6 d1 7 s2 7 p4, Group 3 (B) [ Rn ] 54 6 d5 7 s2, Group 7 (C)  [Rn] 5 f4 7 s2 7 p5, Group 7 (D) [ Rn ] 5 f4 6 d2 7 s2 7 p3, Group 15

Tardigrade Admin · Accepted Answer

In accordance with, Aufbau principle, the most stable electronic configuration is (b) and its group number is 7

Q. The electronic configuration and the group number in the periodic table in which the element with atomic number $107$ lies are

$[R n] 5 f^{4} 6 d^{1} 7 s^{2} 7 p^{4},$ Group $3$

$[R n] 5^{4} 6 d^{5} 7 s^{2},$ Group $7$

$[R n] 5 f^{4} 7 s^{2} 7 p^{5}$ , Group $7$

$[R n] 5 f^{4} 6 d^{2} 7 s^{2} 7 p^{3},$ Group $15$

In accordance with, Aufbau principle, the most stable electronic configuration is $(b)$ and its group number is $7$

Q. The electronic configuration and the group number in the periodic table in which the element with atomic number 107 lies are

[Rn]5f46d17s27p4, Group 3

[Rn]546d57s2, Group 7

[Rn]5f47s27p5, Group 7

[Rn]5f46d27s27p3, Group 15