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Chemistry
The electronic configuration and the group number in the periodic table in which the element with atomic number 107 lies are
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Q. The electronic configuration and the group number in the periodic table in which the element with atomic number 107 lies are
Classification of Elements and Periodicity in Properties
A
$\left[Rn\right]5f^{14}6d^{1} 7s^{2} 7p^{4}, Group 3$
14%
B
$\left[Rn\right]5f^{14} 6d^{5} 7s^{2}, Group 7$
55%
C
$\left[Rn\right]5f^{14} 7s^{2} 7p^{5}, Group 7$
18%
D
$\left[Rn\right]5f^{14} 6d^{2} 7s^{2} 7p^{3}, Group 15$
14%
Solution:
In accordance with, Aufbau principle, the most stable electronic configuration is (b) and its group number is 7.