The maximum valency of an element with atomic | vedclass

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(B) The element with atomic number $7$ is Nitrogen $(N)$.The electronic configuration of Nitrogen is $1s^2, 2s^2, 2p^3$.The valence shell is the secon

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$5$

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(B) The element with atomic number $7$ is Nitrogen $(N)$.The electronic configuration of Nitrogen is $1s^2, 2s^2, 2p^3$.The valence shell is the second shell $(n=2)$,which contains $2+3 = 5$ electrons.While Nitrogen typically exhibits a valency of $3$ due to its $3$ unpaired $p$-electrons,the maximum covalency it can show is $4$ (e.g.,in $NH_4^+$) because it lacks $d$-orbitals.However,in the context of valence electrons,the number of valence electrons is $5$.

The maximum valency of an element with atomic number $7$ is

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