Question

What is the name for ${\mathrm{P}}_2{\mathrm{O}}_5$?

Answer 1

Binary compound:

• A binary compound is one that is made up of two different elements. Each element can have one or more than one atoms.
• A diatomic compound is made up of two different atoms.
• Ionic compounds are formed when metals and non-metals combine.
• The naming of binary ionic compounds can start with the cation, and then move on to the nonmetal anion (element stem + -ide).

Naming for ${\mathrm{P}}_2{\mathrm{O}}_5$:

• The oxide will be the last name as the compound contains oxygen.
• As there are two phosphorus atoms and five oxygen atoms.
• Thus, the name of the binary compound ${\mathrm{P}}_2{\mathrm{O}}_5$ is Diphosphorus pentoxide.