**Nomenclature: Write formulas or names for the following compounds** 1. **Carbon dioxide** - Formula: CO₂ - Name: Carbon monoxide (CO) 2. **Oxygen difluoride** - Formula: OF₂ - Name: Dinitrogen monoxide (N₂O) 3. **Diphosphorus pentoxide** - Formula: P₂O₅ - Name: Tetraphosphorus trisulfide (P₄S₃) 4. **Trichlorine hexabromide** - Formula: Cl₃Br₆ - Name: Phosphorus pentachloride (PCl₅) 5. **Sulfur hexafluoride** - Formula: SF₆ - Name: Iodine heptabromide (I₅Br₇) 6. **Carbon tetrachloride** - Formula: CCl₄ - Name: Dinitrogen tetroxide (N₂O₄) 7. **Tetrasulfur decoxide** - Formula: S₄O₁₀ - Name: Hydrogen sulfide (H₂S) 8. **Dihydrogen monoxide** - Formula: H₂O - Name: Phosphorus tribromide (P₃Br₈) 9. **Dinitrogen octaoxide** - Formula: N₈O₈ (typically incorrect, meant to be N₂O₄) - Name: Sulfur trioxide (SO₃) 10. **Tetranitrogen heptasulfide** - Formula: N₄S₇ - Name: Non-nitrogen pentafluoride (likely typo meant to be N₄F₅) This exercise involves matching chemical names with their respective formulas. Students are required to convert between systematic names and molecular formulas, demonstrating their understanding of chemical nomenclature. ### Chemical Compounds and Their Formulas This section presents a comparison between chemical compound names and their corresponding chemical formulas. **Chemical Names and Formulas:** 18. *Cupric Bromide* - Formula: CuBr₂ 19. *Stannous Fluoride* - Formula: SnF₂ 20. *Ferric Sulfide* - Formula: Fe₂S₃ 21. *Mercurous Oxide* - Formula: Hg₂O 22. *Tin (IV) Sulfide* - Formula: SnS₂ 23. *Manganese (II) Nitride* - Formula: Mn₃N₂ 24. *Strontium Chloride* - Formula: SrCl₂ 25. *Barium Oxide* - Formula: BaO **Given Formulas and Their Corresponding Chemical Names:** 18. *MnS* - Manganese Sulfide 19. *BaBr₂* - Barium Bromide 20. *CuF* - Copper(I) Fluoride 21. *AlN* - Aluminum Nitride 22. *Hg₂Cl₂* - Mercury(I) Chloride 23. *NaI* - Sodium Iodide 24. *Cu₃N₂* - Cupric Nitride 25. *MgO* - Magnesium Oxide These formulas depict the chemical composition of various compounds, showcasing the relationship between their elemental constituents.