The electronic configuration of three element | vedclass

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(D) Element $B$ has the valence shell configuration $3s^2, 3p^3$,which means it has $5$ valence electrons and belongs to Group $15$ (valency $3$).Elem

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$BC_3$

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(D) Element $B$ has the valence shell configuration $3s^2, 3p^3$,which means it has $5$ valence electrons and belongs to Group $15$ (valency $3$).Element $C$ has the valence shell configuration $3s^2, 3p^5$,which means it has $7$ valence electrons and belongs to Group $17$ (valency $1$).To form a stable compound,$B$ shares its $3$ electrons with $3$ atoms of $C$.Therefore,the molecular formula of the compound formed is $BC_3$.

The electronic configuration of three elements $A, B$ and $C$ are given below. The molecular formula of the compound formed from $B$ and $C$ will be
$A : 1s^2, 2s^2, 2p^6$
$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
$C : 1s^2, 2s^2, 2p^6, 3s^2, 3p^5$

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The electronic configuration of three elements $A, B$ and $C$ are given below. The molecular formula of the compound formed from $B$ and $C$ will be$A : 1s^2, 2s^2, 2p^6$$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$$C : 1s^2, 2s^2, 2p^6, 3s^2, 3p^5$