Final Answer:
1. CO — carbon monoxide
2. CO₂ — carbon dioxide
3. H₂O — water (or dihydrogen monoxide)
4. NH₃ — ammonia (or nitrogen trihydride)
5. CH₄ — methane (or carbon tetrahydride)
6. NO — nitrogen monoxide
7. N₂O₅ — dinitrogen pentoxide
8. N₂O₄ — dinitrogen tetroxide
9. N₂O₃ — dinitrogen trioxide
10. PCl₃ — phosphorus trichloride
11. PF₅ — phosphorus pentafluoride
12. P₂O₅ — diphosphorus pentoxide
13. SO₂ — sulfur dioxide
14. S₂O₃ — disulfur trioxide
15. SiCl₄ — silicon tetrachloride
16. BCl₃ — boron trichloride
17. BN — boron nitride
18. CS₂ — carbon disulfide
19. SeF₆ — selenium hexafluoride
20. H₂O₂ — hydrogen peroxide (or dihydrogen dioxide)
21. ClO₂ — chlorine dioxide
22. N₂O — dinitrogen monoxide
23. NI₃ — nitrogen triiodide
24. AsCl₃ — arsenic trichloride
25. CCl₄ — carbon tetrachloride
26. SeF₄ — selenium tetrafluoride
27. SiO₂ — silicon dioxide
28. H₂S — hydrogen sulfide (or dihydrogen sulfide)
29. SF₆ — sulfur hexafluoride
30. Cl₂O — dichlorine monoxide
31. XeF₄ — xenon tetrafluoride
32. ClF₃ — chlorine trifluoride
33. BrF₅ — bromine pentafluoride
34. XeF₂ — xenon difluoride
35. S₂Cl₂ — disulfur dichloride
36. N₂ — nitrogen (not a compound, but if forced: dinitrogen)
37. Cl₂ — chlorine (not a compound, but if forced: dichlorine)
38. BrF₃ — bromine trifluoride
39. SCl₂ — sulfur dichloride
40. HCl — hydrogen chloride (or hydrochloric acid in water)
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Parent Tip: Review the logic above to help your child master the concept of naming binary compounds worksheet.