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Nomenclature & Formula Writing Worksheet
Answers
Identify the following compounds as an organic compound (OC), inorganic ionic compound (IIC), or inorganic molecular compound (IMC): 1. Carbon monoxide IMC
6. Water IMC
2. HCl IMC
7. Sulfur trioxide IMC
3. Na2O IIC
8. CaCl2 IIC
4. C2H6 OC
9. Ba(OH)2 IIC
5. H2SO4 IMC
10. NH3 IMC
Write the ions with their charges and the correct name for each of the following ionic compounds: Formula
Cation
11. AgCl
Ag+
Cl-
Silver chloride
12. Li2O
Li+
O2-
Lithium oxide
13. Na3P
Na+
P3-
Sodium phosphide
14. Al2O3
Al3+
O2-
Aluminum oxide
15. Mg3N2
Mg2+
N3-
Magnesium nitride
16. Cs2S
Cs+
S2-
Cesium sulfide
17. SnBr4
Sn4+
Br-
Tin(IV) bromide
18. Ni2O3
Ni3+
O2-
Nickel(III) oxide
19. Cu2O
Cu+
O2-
Copper(I) oxide
20. CrCl2
Cr2+
Cl-
Chromium(II) chloride
21. FeO
Fe2+
O2-
Iron(II) oxide
22. HgCl
Hg+
Cl-
Mercury(I) chloride
23. CuS
Cu2+
S2-
Copper(II) sulfide
24. NiF3
Ni3+
F-
Nickel(III) fluoride
25. Ba(NO3)2
Ba2+
NO3-
Barium nitrate
26. Fe2(SO4)3
Fe3+
SO42-
Iron(III) sulfate
27. Li3PO4
Li+
PO43-
Lithium phosphate
28. Rb3PO3
Rb2+
PO33-
Rubidium phosphite
K+
ClO3-
Potassium chlorate
29. KClO3
Anion Name
Write the ions with their correct charges and the correct formula for the following ionic compounds: Name
Cation
Anion
Formula
30. Aluminum sulfide
Al3+
S2-
Al2S3
31. Magnesium oxide
Mg2+
O2-
MgO
32. Silver oxide
Ag+
O2-
Ag2O
33. Sodium fluoride
Na+
F-
NaF
34. Potassium nitride
K+
N3-
P 3N
35. Barium chloride
Ba2+
Cl-
BaCl2
36. Copper(II) bromide
Cu2+
Br-
CuBr2
37. Nickel(III) hydroxide
Ni3+
OH-
Ni(OH)3
38. Cobalt(II) phosphite
Co2+
PO3
Co3(PO3)2
39. Manganese(IV) oxide
Mn4+
O2-
MnO2
40. Lead(IV) peroxide
Pb4+
O22-
Pb(O2)2
41. Tin(II) chromate
Sn2+
CrO42-
SnCrO4
42. Ammonium nitrate
NH4+
NO3-
NH4NO3
43. Calcium carbonate
Ca2+
CO32-
CaCO3
44. Lithium hydroxide
Li+
OH-
LiOH
45. Aluminum sulfite
Al3+
SO32-
Al2(SO3)3
46. Boron carbonate
B3+
CO32-
B2(CO3)3
47. Silver bicarbonate
Ag+
HCO3-
AgHCO3
48. Copper(I) phosphate
Cu+
PO43-
Cu3PO4
Write the correct name for each of the following molecular compounds: Formula
Name
Formula
Name
49. CS2
Carbon disulfide
54. CCl4
Carbon tetrachloride
50. CO
Carbon monoxide
55. SO3
Sulfur trioxide
51. N2O4
Dinitrogen tetroxide
56. PCl3
Phosphorus trichloride
52. P4S6
Tetraphosphorus hexasulfide
57. IF2
Iodine difluoride
53. ClO2
Chlorine dioxide
58. S2O
Disulfur oxide
Write the correct formula for each of the following molecular compounds: Name
Formula
Name
Formula
59. Dinitrogen oxide
N 2O
64. Silicon tetrabromide
SiBr4
60. Nitrogen trichloride
NCl3
65. Carbon dioxide
CO2
61. Sulfur hexafluoride
SF6
66. Oxygen difluoride
OF2
62. Phosphorus trifluoride
PF3
67. Phosphorus trihydride
PH3
63. Iodine trifluoride
IF3
68. Sulfur dioxide
SO2
Write the correct name and formula for the following organic compounds known as alkanes: Condensed Structural Formula