Your data sheet will be a scantron labeled "Part 3". Determine the one best answer.
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1 Your data sheet will be a scantron labeled "Part 3". Determine the one best answer. Part 3a: Determination of a Chemical Name Given Its Formula (Part 3a: 1-25) These are the same formulas used in Part 2a. Make sure you name the compounds using the naming system consistent with the substance type already predetermined. The naming systems for each compound type are given below: 1. Acids containing a halide (F 1-, Cl 1-, Br 1-, I 1- ) Hydro + Halide name + "ic" ending Ex: HCl = hydrochloric acid 2. Acids containing an oxoanion with an "ate" or "ite" ending for "ite" ending: Oxoanion name + "ous" ending for "ate" ending: Oxoanion name + "ic" ending 3. Molecular compounds prefix + leftside element _prefix + rightside element + "ide" ending Note: prefix is equal to lower right subscript value associated with the element in the formula 4. Ionic compounds leftside cation name _ rightside anion name 1. KBr a. phosphoric acid bromide bromine 2. HNO 3 a. hydrogen nitrite 3. BaSO 4 a. barium b. nitric acid c. nitrous acid b. barium sulfide c. barium sulfite
2 4. Cu 2 O a. dicopper b. copper (I) c. copper (II) 5. Fe 2 (SO 4 ) 3 a. iron b. iron (II) c. iron (III) 6. N 2 O 4 a. nitrogen b. nitrate c. dinitrogen tetr 7. K 3 PO 4 a. phosphorus phosphate 8. Al 2 O 3 a. ammonium 9. NH 4 Cl a. ammonia 10. CuOH a. copper hydr phosphide b. aluminum b. ammonium b. copper (I) hydr phosphate c. aluminate c. ammonium chlorine c. copper (II) hydr 11. Ca(C 2 H 3 O 2 ) 2 a. calcium oxalate b. carbon c. calcium 12. H 2 SO 4 a. sulfurous acid 13. NaOH a. sodium hydr b. hydrogen b. sodium oxyhydride c. sulfuric acid c. sodium acid 14. ZnSO 3 a. zirconium 15. SiO 2 a. silicon 16. HI a. hydrogen iodide 17. HC 2 H 3 O 2 a. hydrogen b. zinc c. zinc sulfite b. silicon di c. silver b. hydroiodic acid c. hydrogen iodate b. oxalic acid c. acetic acid 18. Na 2 CO 3 a. sodium carbonate b. sodium c. sodium oxalate 19. SnO 2 a. tin (II) b. tin (IV) c. tin hydr
3 20. SnCl 2 a. tin (II) b. tin (IV) c. tin chlorine 21. KHCO 3 a. potassium dicarbonate 22. SO 3 a. sulfite b. c. sulfur tri 23. CO 2 a. carbonate b. c. carbon di 24. Ca(HCO 3 ) 2 a. calcium carbonate 25. P 4 O 10 a. phosphorus b. calcium b. tetraphosphorus dec c. calcium dicarbonate c. tetraphosphorus deca Part 3b: Determination of a Chemical Formula Given Its Name(Part 3b: 26-50) These are the same names used in Part 2b. Make sure you construct the formula using the system consistent with the substance type already predetermined. The formula system for each compound type are given below: 1. Acids containing a halide, X 1- (name = hydro+ic) formula = H 1 X 1 2. Acids containing an oxoanion, (XO y ) z- formula = H z XO y Note: # hydrogens in formula = charge on oxoanion 3. Molecular formula = (leftside element) prefix _ (rightside element) prefix Note: prefix located before element in name and after element in formula 4. Ionic
4 a. identify cation and anion (cation) x+ & (anion) y- b. write cation on left and anion on right sides of formula (cation) (anion) c. give the cation formula a lower right prefix value equal to the anion's charge value (Y) and give the anion formula a lower right prefix value equal to the cation's charge value (X) (cation) y (anion) x d. reduce x&y values to their smallest whole numbers Note: even though X&Y have +/- values associated with them when they are representing cation/anion charges, they do not have +/- values associated with them when they are representing the number of each ion type within the formula 26. Barium nitrate a. Ba(NO3)2 b. BaNO3 c. Ba3N2 27. Phosphoric acid a. H3PO3 b. H2PO4 c. H3PO4 28. Potassium iodide a. KIO3 b. KI c. PI3 29. Iron (III) bromide a. FeBr3 b. FeBr2 c. Fe2Br3 30. Copper (I) phosphate a. Cu3P b. Cu2(PO4)3 c. Cu3PO4 31. Carbonic acid a. H2C2O4 b. HC2H3O2 c. H2CO3 32. Zinc sulfite a. ZnS b. ZnSO4 c. ZnSO3 33. Calcium hydr a. CaC2O4 b. CaO c. Ca(OH)2 34. Tin (IV) sulfide a. SnS b. SnS2 c. SnS4 35. Iron (II) a. Fe2Cl b. FeCl2 c. FeCl 36. Sulfuric acid a. H2SO4 b. H2S c. H2SO3
5 37. Magnesium carbonate a. MnCO3 b. Mg(HCO3)2 c. MgCO3 38. Ammonium nitrate a. NH4NO3 b. NH3NO2 c. NH4NO2 39. Aluminum a. AlSO4 b. Al2SO4 c. Al2(SO4)3 40. Tin (II) bromide a. SnBr2 b. Sn2Br c. SnBr 41. Nitrous acid a. H3N b. HNO3 c. HNO2 42. Lead (II) sulfide a. PbS b. Pb2S c. PbS2 43. Potassium a. K2O b. KO c. KO2 44. Nitrogen di a. (NO2) 1- b. NO2 c. N2O 45. Sodium a. Na(CO3)2 b. Na2CO3 c. NaHCO3 46. Hydrochloric acid a. HClO3 b. HCl c. HClO2 47. Sulfur tri a. S3O b. SO3 c. (SO3) Sulfur di a. S2O b. SO2 c. (SO2) Carbon tetra a. C4Cl b. CCl4 c. CClO4 50. Carbon mon a. CO b. CO2 c. (CO3) 2-
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