Question #47828

1 Answer
Dwight
Jan 27, 2018

Phosphorus trichloride

Explanation:

Since this is a compound made of two non-metals (a molecular compound) the system of using prefixes (mono-, di-, tri- etc.) applies here.

It is made necessary because there is a second compound of P and Cl, namely phosphorus pentachloride, #PCl_5#.

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