madremiller5240 madremiller5240 08-01-2024 Social Studies contestada In which of the following substances does phosphorus have the largest (most positive) oxidation number?a. Phosphorus trichloride (PCl₃)b. Phosphorus pentachloride (PCl₅)c. Phosphorus dioxide (P₂O₂)d. Phosphorus triiodide (PI₃)