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Consider the following information about element \( \mathrm{P} \)
P and Q:

W.
\begin{tabular}{|c|c|c|}
\hline & Peroid Number & Group Number \\
\hline P & 2 & 15 \\
\hline Q & 3 & 2 \\
\hline
\end{tabular}
Then formula of the compound formed by \( P \) and \( Q \) element is:
(1) \( \mathrm{PQ} \)
(2) \( \mathrm{P}_{3} \mathrm{Q}_{2} \)
(3) \( \mathrm{P}_{2} \mathrm{Q}_{3} \)
(4) \( \mathrm{PQ}_{2} \)
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