A molecule has a T-shaped geometry. The total | vedclass

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(B) According to the $VSEPR$ theory,a molecule with a $T$-shaped geometry arises from an $AX_3E_2$ type molecule,where $A$ is the central atom,$X$ are

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$5$

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(B) According to the $VSEPR$ theory,a molecule with a $T$-shaped geometry arises from an $AX_3E_2$ type molecule,where $A$ is the central atom,$X$ are the bonding atoms,and $E$ are the lone pairs of electrons.In this configuration,there are $3$ bond pairs and $2$ lone pairs.The total number of electron pairs = $(	ext{Number of bond pairs} + 	ext{Number of lone pairs}) = 3 + 2 = 5$.Therefore,the total number of electron pairs in the valence shell of the central atom is $5$.

$A$ molecule has a $T$-shaped geometry. The total number of electron pairs in the valence shell of its central atom is:

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