Questions: What is the ion symbol for the phosphide ion? P^3-

Transcript text: What is the ion symbol for the phosphide ion? $p^{2-}$ $\mathrm{P}^{3-}$ $\mathrm{P}_{2}{ }^{2-}$ $P^{3-}$ $P^{5-}$

Solution

Solution Steps

Step 1: Identify the correct charge for the phosphide ion

Phosphorus typically forms an ion by gaining three electrons to achieve a stable electron configuration similar to the noble gas argon. This results in a charge of $3-$.

Step 2: Match the correct ion symbol with the charge

We need to find the ion symbol that correctly represents phosphorus with a $3-$ charge.

Step 3: Review the given options

$p^{2-}$
$\mathrm{P}^{3-}$
$\mathrm{P}_{2}{ }^{2-}$
$P^{3-}$
$P^{5-}$

Step 4: Select the correct option

The correct ion symbol for the phosphide ion is $\mathrm{P}^{3-}$.

Final Answer

$\boxed{\mathrm{P}^{3-}}$

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