Question

what is the formula of this binary molecular compound? diphosphorus trioxide ph₂ox₃ p₂o₅ p₂o₃ p₂o₄

Explanation:

Step1: Analyze prefixes

In the name "diphosphorus trioxide", "di - " means 2 (for phosphorus, symbol \(P\)) and "tri - " means 3 (for oxygen, symbol \(O\)).

Step2: Write the formula

Based on the number of atoms from prefixes, the formula is \(P_2O_3\).

Answer:

\(P_2O_3\) (the third option)