Question

what is the name of the compound p2o5? pentaphosphorus dioxide diphosphorus pentoxide phosphorus oxide dipotassium pentoxide

Explanation:

In naming covalent compounds, the prefixes indicate the number of atoms of each element. 'Di -' means 2 and 'penta -' means 5. Since there are 2 phosphorus (P) atoms and 5 oxygen (O) atoms, the name is diphosphorus pentoxide.

Answer:

B. diphosphorus pentoxide