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Q.

The elements Z =114 has been discovered recently. It will belong to which of the following family group and electronic configuration?

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a

Carbon family ${[Rn]5f}^{14} {6d}^{10} {7s}^{2} {7p}^{2}$

b

Oxygen family ${[Rn]5f}^{14} {6d}^{10} {7s}^{2} {7p}^{4}$

c

Nitrogen family ${[Rn]5f}^{14} {6d}^{10} {7s}^{2} p^{3}$

d

Halogen family ${[Rn]5f}^{14} {6d}^{10} {7s}^{2} p^{5}$

answer is A.

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Detailed Solution

so the atom with z=114 can have the electronic configuration= [Rn] 7s²5f¹⁴6d¹⁰7p.
If we write accordingly the configuration will be [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p.
as it has a valence cell configuration like ns² np² (7s² 7p²) then it is a compound of group 14 i.e. carbon family

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