Solved CHEMICAL NOMENCLATURE-WORKSHEET 5 Give the | Chegg.com - Free Printable

Let's solve each of these chemical nomenclature problems step by step. I'll provide the name for each formula or the formula for each name, based on standard IUPAC naming rules.

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Part 1: Name the compounds from formulas

1. Al(C₂H₃O₂)₃
→ Aluminum acetate
*(C₂H₃O₂⁻ is the acetate ion)*

2. Mn(NO₃)₂
→ Manganese(II) nitrate
*(Mn²⁺, NO₃⁻; charge balance confirms Mn²⁺)*

3. NaHCO₃
→ Sodium bicarbonate (or sodium hydrogen carbonate)

4. (NH₄)₂S
→ Ammonium sulfide

5. HgI₂
→ Mercury(II) iodide
*(Hg²⁺, I⁻)*

6. Hg₂Br₂
→ Mercury(I) bromide
*(Hg₂²⁺ is a diatomic ion; so Hg₂Br₂ = [Hg₂]²⁺ and 2Br⁻)*

7. K₃AsO₄
→ Potassium arsenate
*(AsO₄³⁻ is arsenate ion)*

8. ZnS
→ Zinc sulfide

9. Ti₂O₃
→ Titanium(III) oxide
*(Each Ti has +3 charge: 2×(+3) = +6, O₃ = -6)*

10. Cr(NO₂)₃
→ Chromium(III) nitrite
*(NO₂⁻ is nitrite; Cr³⁺)*

11. Mg₃(PO₄)₂
→ Magnesium phosphate
*(PO₄³⁻, Mg²⁺ → 3Mg²⁺ and 2PO₄³⁻)*

12. Cr(HSO₄)₂
→ Chromium(II) hydrogen sulfate
*(HSO₄⁻ is hydrogen sulfate; Cr²⁺)*

13. Sn(CN)₂
→ Tin(II) cyanide
*(CN⁻ is cyanide; Sn²⁺)*

14. Zn(C₂H₃O₂)₂
→ Zinc acetate

15. K₂O
→ Potassium oxide

16. LiSCN
→ Lithium thiocyanate
*(SCN⁻ is thiocyanate)*

17. Cu(OH)₂
→ Copper(II) hydroxide
*(OH⁻, Cu²⁺)*

18. H₃PO₄(aq)
→ Phosphoric acid
*(Acid in aqueous solution)*

19. NiCr₂O₇
→ Nickel(II) dichromate
*(Cr₂O₇²⁻ is dichromate; Ni²⁺)*

20. Ag₂S
→ Silver sulfide

21. Mg(SCN)₂
→ Magnesium thiocyanate

22. Li₂S₂O₃
→ Lithium thiosulfate
*(S₂O₃²⁻ is thiosulfate)*

23. CdC₂O₄
→ Cadmium oxalate
*(C₂O₄²⁻ is oxalate)*

24. NH₄ClO₃
→ Ammonium chlorate
*(ClO₃⁻ is chlorate)*

25. AgBr
→ Silver bromide

26. HClO(aq)
→ Hypochlorous acid
*(Hypochlorite ion: ClO⁻; acid form: HClO)*

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Part 2: Write formulas from names

27. Silver cyanide
→ AgCN
*(Ag⁺, CN⁻)*

28. Cobalt(II) bisulfate
→ Co(HSO₄)₂
*(Co²⁺, HSO₄⁻)*

29. Copper(II) nitrite
→ Cu(NO₂)₂
*(Cu²⁺, NO₂⁻)*

30. Magnesium carbonate
→ MgCO₃
*(Mg²⁺, CO₃²⁻)*

31. Lead(II) bromide
→ PbBr₂
*(Pb²⁺, Br⁻)*

32. Stannous iodide
→ SnI₂
*(Stannous = Sn²⁺, I⁻)*

33. Hydrogen sulfide
→ H₂S
*(H₂S gas; not aqueous)*

34. Iron(III) sulfate
→ Fe₂(SO₄)₃
*(Fe³⁺, SO₄²⁻ → need 2 Fe³⁺ and 3 SO₄²⁻ for charge balance)*

35. Potassium phosphate
→ K₃PO₄
*(K⁺, PO₄³⁻)*

36. Strontium hydroxide
→ Sr(OH)₂
*(Sr²⁺, OH⁻)*

37. Copper(II) phosphate
→ Cu₃(PO₄)₂
*(Cu²⁺, PO₄³⁻ → LCM: 3 Cu²⁺ and 2 PO₄³⁻)*

38. Carbon tetrabromide
→ CBr₄
*(Prefix "tetra-" means 4 Br atoms)*

39. Nickel(II) carbonate
→ NiCO₃
*(Ni²⁺, CO₃²⁻)*

40. Phosphorus pentachloride
→ PCl₅
*(Pentachloride = 5 Cl atoms)*

41. Hydrogen gas
→ H₂
*(Diatomic molecule)*

42. Chromium(III) thiocyanate
→ Cr(SCN)₃
*(Cr³⁺, SCN⁻)*

43. Silicon dioxide
→ SiO₂

44. Iron(III) phosphate
→ FePO₄
*(Fe³⁺, PO₄³⁻ → 1:1 ratio)*

45. Cesium peroxide
→ Cs₂O₂
*(Peroxide ion: O₂²⁻; Cs⁺)*

46. Nitric acid
→ HNO₃(aq)
*(Common strong acid)*

47. Calcium thiosulfate
→ CaS₂O₃
*(Ca²⁺, S₂O₃²⁻)*

48. Titanium(II) sulfite
→ TiSO₃
*(Ti²⁺, SO₃²⁻)*

49. Silver chromate
→ Ag₂CrO₄
*(Ag⁺, CrO₄²⁻ → 2 Ag⁺ and 1 CrO₄²⁻)*

50. Hydrocyanic acid
→ HCN(aq)
*(HCN is the acid form of cyanide)*

51. Aluminum chloride
→ AlCl₃
*(Al³⁺, Cl⁻)*

52. Titanium(IV) bromide
→ TiBr₄
*(Ti⁴⁺, Br⁻ → 4 Br⁻ needed)*

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✔ Final Answers:

| # | Answer |
|---|--------|
| 1 | Aluminum acetate |
| 2 | Manganese(II) nitrate |
| 3 | Sodium bicarbonate |
| 4 | Ammonium sulfide |
| 5 | Mercury(II) iodide |
| 6 | Mercury(I) bromide |
| 7 | Potassium arsenate |
| 8 | Zinc sulfide |
| 9 | Titanium(III) oxide |
| 10 | Chromium(III) nitrite |
| 11 | Magnesium phosphate |
| 12 | Chromium(II) hydrogen sulfate |
| 13 | Tin(II) cyanide |
| 14 | Zinc acetate |
| 15 | Potassium oxide |
| 16 | Lithium thiocyanate |
| 17 | Copper(II) hydroxide |
| 18 | Phosphoric acid |
| 19 | Nickel(II) dichromate |
| 20 | Silver sulfide |
| 21 | Magnesium thiocyanate |
| 22 | Lithium thiosulfate |
| 23 | Cadmium oxalate |
| 24 | Ammonium chlorate |
| 25 | Silver bromide |
| 26 | Hypochlorous acid |
| 27 | AgCN |
| 28 | Co(HSO₄)₂ |
| 29 | Cu(NO₂)₂ |
| 30 | MgCO₃ |
| 31 | PbBr₂ |
| 32 | SnI₂ |
| 33 | H₂S |
| 34 | Fe₂(SO₄)₃ |
| 35 | K₃PO₄ |
| 36 | Sr(OH)₂ |
| 37 | Cu₃(PO₄)₂ |
| 38 | CBr₄ |
| 39 | NiCO₃ |
| 40 | PCl₅ |
| 41 | H₂ |
| 42 | Cr(SCN)₃ |
| 43 | SiO₂ |
| 44 | FePO₄ |
| 45 | Cs₂O₂ |
| 46 | HNO₃(aq) |
| 47 | CaS₂O₃ |
| 48 | TiSO₃ |
| 49 | Ag₂CrO₄ |
| 50 | HCN(aq) |
| 51 | AlCl₃ |
| 52 | TiBr₄ |

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