The formula for the compound tetraphosphorus decoxide is P4O10.
This compound is composed of four phosphorus atoms and ten oxygen atoms. The prefix ‘tetra-‘ indicates four phosphorus atoms, and ‘deca-‘ indicates ten oxygen atoms. The formula P4O10 represents the molecular structure of tetraphosphorus decoxide, which is a white crystalline solid commonly used as a desiccant and in the production of phosphoric acid.