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In the compound $PCl_3$ , how many total valence electrons are present?

1 Answer

Dec 27, 2015

$26$

Explanation:

Valence electrons on each $P$ atom: $5$
Valence electrons on each $Cl$ atom: $7$

Number of $P$ atoms: $1$
Number of $Cl$ atoms: $3$

Number of valence electrons per molecule of $PCl_3$ = $5 + 3(7)$ = $26$

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