26. The correct name for P_(2)O_(5) is A. phosphorus(II)oxide B. phosphorus (V) oxide C. diphosphorus oxide D. diphosphorus pentoxide E. phosphorus pentoxide

## Step 1: Determine the Composition of the Compound### The compound consists of two phosphorus atoms and five oxygen atoms.## Step 2: Name the Compound Using IUPAC Nomenclature for Molecular Compounds### The prefix 'di-' is used for two phosphorus atoms, and 'penta-' is used for five oxygen atoms. 'Oxide' denotes the presence of oxygen. Therefore, the compound is named "diphosphorus pentoxide."