Name: ______THE MONATOMIC IONS!
1. What is the formula for silver? Ag+ 22. What is the formula for cobalt (II)? Co2+
2. What is the formula for cadmium? Cd2+ 23. What is the formula for chromium (II)? Cr2+
3. What is the formula for manganese (II)? Mn2+ 24. What is the formula for copper (II)? Cu2+
4. What is the formula for nickel (II)? Ni2+ 25. What is the formula for tin (IV)? Sn4+
5. What is the formula for chromous? Cr2+ 26. What is the formula for lead (IV)? Pb4+
6. What is the formula for zinc? Zn2+ 27. What is the formula for iron (III)? Fe3+
2+ 2+ 7. What is the formula for cobaltous? Co 28. What is the formula for mercury (I)? Hg2
8. What is the formula for cuprous? Cu+ 29. What is the formula for lead (II)? Pb2+
9. What is the formula for ferrous? Fe2+ 30. What is the formula for mercury (II)? Hg2+
2+ 2+ 10. What is the formula for mercurous? Hg2 31. What is the formula for iron (II)? Fe
11. What is the formula for stannous? Sn2+ 32. What is the formula for copper (I)? Cu+
12. What is the formula for plumbous? Pb2+ 33. What is the formula for tin (II)? Sn2+
13. What is the formula for chromic? Cr3+ 34. What is the formula for fluoride? F-
14. What is the formula for cobaltic? Co3+ 35. What is the formula for chloride? Cl-
15. What is the formula for cupric? Cu2+ 36. What is the formula for hydride? H-
16. What is the formula for ferric? Fe3+ 37. What is the formula for bromide? Br-
17. What is the formula for mercuric? Hg2+ 38. What is the formula for iodide? I-
18. What is the formula for plumbic? Pb4+ 39. What is the formula for nitride? N3-
19. What is the formula for stannic? Sn4+ 40. What is the formula for oxide? O2-
20. What is the formula for chromium (III)? Cr3+ 41. What is the formula for phosphide? P3-
21. What is the formula for cobalt (III)? Co3+
- 1 - Name: ______
THE MONATOMIC IONS & PREFIXES! (Page 4)
1. What is the name for Sn4+ ? Stannic, Tin (IV)
2. What is the name for Zn2+ ? Zinc
3. What is the name for Co3+ ? Cobaltic, Cobalt (III)
4. What is the name for Fe3+ ? Ferric, Iron (III)
5. What is the name for Ni2+ ? Nickel (II)
2+ 6. What is the name for Hg2 ? Mercurous, Mercury (I)
7. What is the name for Sn2+? Stannous, Tin (II)
8. What is the name for Co2+ ? Cobaltous, Cobalt (II)
9. What is the name for Cd2+ ? Cadmium
10. What is the name for Pb4+ ? Plumbic, Lead (IV)
11. What is the name for Mn2+ ? Manganese (II)
12. What is the name for Cr3+ ? Chromic, Chromium (III)
13. What is the name for Ag+ ? Silver
14. What is the name for Cr2+ ? Chromous, Chromium (II)
15. What is the name for Hg2+ ? Mercuric
16. What is the name for Pb2+ ? Plumbous
17. What is the name for Cu+ ? Cuprous
18. What is the name for Fe2+ ? Ferrous
19. What is the name for Cu2+ ? Cupric
20. What is the name for F- ? Fluoride
21. What is the name for Br- ? Bromide
2 Name: ______
22. What is the name for I- ? Iodide
23. What is the name for O2- ? Oxide
24. What is the name for P3- ? Phosphide
25. What is the name for N3- ? Nitride
26. What is the name for H+ ? Hydrogen
27. What is the name for Cl- ? Chloride
28. What is the prefix for the number six? hexa
29. What is the prefix for the number one? mono
30. What is the prefix for the number five? penta
Practice: Formula Writing – Binary Ionic Compounds! (Page 5) Write the formulas for the following:
1) Sodium chloride NaCl 13) Aluminum oxide Al2O3
2) Mercury (I) iodide Hg2I2 14) Silver sulfide Ag2S
3) Ferrous bromide FeBr2 15) Cadmium bromide CdBr2
4) Barium nitride Ba3N2 16) Ferric oxide Fe2O3
5) Magnesium fluoride MgF2 17) Sodium sulfide Na2S
6) Cadmium oxide CdO 18) Silver bromide AgBr
7) Manganese (II) sulfide MnS 19) Potassium sulfide K2S
8) Lithium iodide LiI 20) Strontium chloride SrCl2
9) Chromium (II) nitride Cr3N2 21) Magnesium nitride Mg3N2
10) Calcium oxide CaO 22) Zinc oxide ZnO
11) Zinc chloride ZnCl2 23) Cobaltic nitride CoN
12) Silver iodide AgI 24) Aluminum fluoride AlF3
3 Name: ______25) Zinc chloride ZnCl2 33) Mercuric oxide HgO
26) Plumbous iodide PbI2 34) Iron (II) chloride FeCl2
27) Cadmium phosphide Cd3P2 35) Cuprous chloride CuCl
28) Lead (IV) oxide PbO2 36) Tin (II) oxide SnO
29) Chromous fluoride CrF2 37) Cobalt (II) chloride CoCl2
30) Nickel(II)oxide NiO 38) Manganese phosphide Mn3P2
31) Mercurous chloride Hg2Cl2 39) Tin (IV) chloride SnCl4
32) Copper (II) sulfide Cu2S 40) Stannous fluoride SnF2
Practice: Formula Writing – Binary Ionic Compounds! (Page 6) Write the chemical name for the following: Part I: Write the name using the LATIN system.
1) CuO Cupric oxide 9) Cu2O cuprous oxide
2) CuF2 Cupric fluoride 10) Hg2S mercurous sulfide
3) Fe2O3 ferric oxide 11) CrO chromous oxide
4) HgCl2 mercuric chloride 12) PbF4 plumbic fluoride
5) CoS cobaltous sulfide 13) FeS ferrous sulfide
6) CuBr cuprous bromide 14) Sn3N4 stannic nitride
7) SnBr2 stannous bromide 15) CoI3 cobaltic iodide
8) PbS plumbous sulfide 16) CrN chromic nitride
Part II: Write the name using the STOCK system. 1) CuO copper (II) oxide 4) CoN Cobalt (III) Nitride
2) CrCl2 chromium (II) chloride 5) CuS Copper (II) Sulfide
3) PbS Lead (II) sulfide 6) Sn3P2 Tin (II) Phosphide 4 Name: ______7) PbO2 Lead (IV) Oxide 12) Hg2S Mercury (I) Sulfide
8) HgCl2 Mercury (II) Chloride 13) CrI3 Chromium (III) Iodide
9) FeO Iron (II) oxide 14) FeCl3 Iron (III) Chloride
10) CuF Copper (I) Fluoride 15) CuCl2 Copper (II) Chloride
11) CoO Cobalt (II) Oxide 16) Hg2O Mercury (I) Oxide
Formula Writing – Molecular Binary Compounds (page 7) Write the chemical names of the following molecular binary compounds. Prefixes need to be used.
1) N2O Dinitrogen Monoxide 9) NO2 Nitrogen Dioxide
2) ICl3 Iodine Trichloride 10) CO2 Carbon Dioxide
3) UF6 Uranium Hexafluoride 11) CF4 Carbon Tetrafluoride
4) N2O3 Dinitrogen Trioxide 12) SiO2 Silicon Dioxide
5) CO Carbon Monoxide 13) PCl3 Phosphorus Trichloride
6) H2O Water 14) N2O5 Dinitrogen Pentaoxide
7) P4S3 Tetraphosphorus Trisulfide 15) SF6 Sulfur Hexafluoride
8) PBr3 Phosphorus Tribromide 16) SO2 Sulfur Dioxide
Write the molecular binary formula for the following molecular binary compounds.
1) Silicon tetrafluoride SiF4 4) Iodine pentafluoride IF5
2) Dinitrogen monoxide N2O 5) Tetraphosphorous trisulfide P4S3
3) Sulfur trioxide SO3 6) Nitrogen monoxide NO
5 Name: ______7) Xenon tetraoxide XeO4 11) Boron trichloride BCl3
8) Antimony pentafluoride SbF5 12) Diarsenic trisulfide As2S3
9) Carbon disulfide CS2 13) Diphosphorous pentoxide P2O5
10) Carbon tetraiodide CI4 14) Nitrogen triphosphide NP3
THE POLYATOMIC IONS!!! (Page 8) What is the name of the polyatomic ion with the formula… 2- - - 1. SO3 Sulfite 9. IO3 Iodate 17. ClO2 Chlorite
2- - - 2. SO4 Sulfate 10. IO2 Iodite 18. ClO Hypochlorite
3- - 3. PO4 Phosphate 11. HSO4 Bisulfate 19. C2H3O2 - Acetate
- - - 4. OH Hydroxide 12. HCO3 Bicarbonate 20. BrO4 Perbromate
- 2- - 5. NO3 Nitrate 13. CO3 Carbonate 21. BrO3 Bromate
- – - 6. NO2 Nitrite 14. CN Cyanide 22. BrO2 Bromite
+ - - 7. NH4 - Ammonium 15. ClO4 Perchlorate 23. BrO Hypobromite
- - 8. MnO4 Permanganate 16. ClO3 Chlorate
What is the formula for the polyatomic ion… - - 1. Acetate - C2H3O2 6. Bromite - BrO2
+ 2- 2. Ammonium - NH4 7. Carbonate - CO3
- 3. Bicarbonate (Hydrogen carbonate) - 8. Chlorate - ClO3
- - HCO3 9. Chlorite - ClO2
- - 4. Bisulfate (Hydrogen sulfate) - HSO4 10. Cyanide - CN
- - 5. Bromate - BrO3 11. Hydroxide - OH
6 Name: ______- - 12. Hypobromite - BrO 18. Perbromate - BrO4
- - 13. Hypochlorite - ClO 19. Perchlorate - ClO4
- - 14. Iodate - IO3 20. Permanganate - MnO4
- 3- 15. Iodite - IO2 21. Phosphate - PO4
- 2- 16. Nitrate - NO3 22. Sulfate - SO4
- 2- 17. Nitrite - NO2 23. Sulfite - SO3
Polyatomic Ions – Writing Formulas (page 9) For each of the following problems – write the chemical name for the formula given. Give both possible names, when applicable.
Stock Name Latin Name 1) KOH Potassium Hydroxide Potassium Hydroxide
2) Co(NO3)2 Cobalt (II) Nitrate Cobaltous Nitrate
3) MgSO4 Magnesium Sulfate Magnesium Sulfate
4) NH4Cl Ammonium Chloride Ammonium Chloride
5) CrPO4 Chromium (III) Phosphate Chromic Phosphate
6) Cu2CO3 Copper (I) Carbonate Cuprous Carbonate
7) Zn3(PO4)2 Zinc Phosphate Zinc Phosphate
8) Pb(OH)4 Lead (IV) Hydroxide Plumbic Hydroxide
9) Hg(NO2)2 Mercury (II) Nitrite Mercuric Nitrate
10) Ca(ClO3)2 Calcium Chlorate Calcium Chlorate
11) Ba(BrO4)2 Barium Perbromate Barium Perbromate
12) LiIO2 Lithium Iodite Lithium Iodite
13) NaHCO3 Sodium Bicarbonate Sodium Bicarbonate
14) KCN Potassium Cyanide Potassium Cyanide
7 Name: ______15) Al(C2H3O2)3 Aluminum Acetate Aluminum Acetate
For each of the following, write the chemical formula for the name given.
16) Magnesium hydroxide Mg(OH)2 26) Nickel hydroxide Ni(OH)2
17) Aluminum sulfite Al2(SO3)3 27) Cupric bisulfate Cu(HSO4)2
18) Ammonium hypobromiteNH4BrO 28) Stannous permanganate
19) Silver nitrate AgNO3 Sn(MnO4)2
20) Calcium acetate Ca(C2H3O2)2 29) Mercury (II) sulfite HgSO3
21) Iron (II) sulfate FeSO4 30) Cadmium carbonate CdCO3
22) Ferric hydrogen carbonate 31) Ammonium bromite NH4BrO2
Fe(HCO3)3 32) Copper (I) nitrite CuNO3
23) Lead (IV) phosphate Pb3(PO4)4 33) Stannic sulfate Sn(SO4)2
24) Cobaltous iodate Co(IO3)2 34) Silver chlorate AgClO3
25) Chromic perchlorate Cr(ClO4)3 35) Magnesium phosphate Mg3(PO4)2
8 Name: ______Anions, Cations, Polyatomic Ions, and Prefixes (page 11) Write the formula for each of the following ions, polyatomic ions and prefixes.
- 3- 1. Acetate C2H3O2 19. Hemi half 36. Nitride N
+ - 2. Ammonium NH4 20. Hepta 7 37. Nitrite NO2
3. Bicarbonate 21. Hexa 6 38. Nona 9
- - HCO3 22. Hydride H 39. Octa 8
- - 2- 4. Bisulfate HSO4 23. Hydroxide OH 40. Oxide O
- 5. Bromate BrO3 24. Hypobromite 41. Penta 5
- - - 6. Bromite BrO2 BrO 42. Perchlorate ClO4
7. Bromide Br- 25. Hypochlorite 43. Permanganate
2+ - - 8. Cadmium Cd ClO MnO4
2- - - 9. Carbonate CO3 26. Iodide I 44. Perbromate BrO4
- - 3- 10. Chlorate ClO3 27. Iodate IO3 45. Phosphate PO4
- - 3- 11. Chloride Cl 28. Iodite IO2 46. Phosphide P
- 2+ 4+ 12. Chlorite ClO2 29. Iron (II) Fe 47. Plumbic Pb
13. Copper (I) Cu+ 30. Iron (III) Fe3+ 48. Silver Ag+
14. Cupric Cu2+ 31. Lead (II) Pb2+ 49. Stannic Sn4+
- 2+ 2+ 15. Cyanide CN 32. Mercury (I) Hg2 50. Stannous Sn
2+ 2- 16. Deca 10 33. Mercury (II) Hg 51. Sulfate SO4
17. Di 2 34. Mono 1 52. Sulfide S2-
- - 2- 18. Fluoride F 35. Nitrate NO3 53. Sulfite SO3
9 Name: ______
54. Tetra 4 55. Tri 3 56. Zinc Zn2+
Review of Ionic & Molecular Formulas (page 12) Write the chemical formula for the ionic compounds and molecular compounds.
1. Nitrogen trioxide NO3 13. Cupric perchlorate Cu(ClO4)2
2. Calcium oxide CaO 14. Silver phosphide Ag3P
3. Potassium phosphate K3PO4 15. Cadmium cyanide Cd(CN)2
4. Lead (II) hypochlorite Pb(ClO)2 16. Carbon monoxide CO
5. Sulfur tetrachloride SCl4 17. Ferric phosphate FePO4
6. Copper (I) hydroxide CuOH 18. Plumbic sulfite Pb(SO3)2
7. Magnesium cyanide Mg(CN)2 19. Aluminum carbonate Al2(CO3)3
8. Stannous bisulfate Sn(HSO4)2 20. Potassium bromate KBrO3
9. Sodium bicarbonate NaHCO3 21. Beryllium acetate Be(C2H3O2)2
10. Tin (IV) perbromate Sn(BrO4)4 22. Mercury (I) chlorate Hg2(ClO3)2
11. Ammonium sulfate (NH4)2SO4 23. Dinitrogen monoxide N2O
12. Ferrous Permanganate Fe(MnO4)2 24. Calcium nitrate Ca(NO3)2
10 Name: ______
25. Zinc bromide ZnBr2 38. Mercuric oxide HgO
26. Magnesium nitride Mg3N2 39. Cuprous fluoride CuF
27. Lithium iodide LiI 40. Zinc bromate Zn(BrO3)2
28. Sodium hydroxide NaOH 41. Calcium hypochlorite Ca(ClO)2
29. Mercury (II) nitrite Hg(NO2)2 42. Ammonium carbonate
30. Boron trifluoride BF3 (NH4)2CO3
31. Strontium chloride SrCl2 43. Sodium perchlorate NaClO4
32. Iron (III) sulfide Fe2S3 44. Copper (II) sulfide CuSO3
33. Stannous phosphate Sn3(PO4)2 45. Stannous nitride Sn(NO3)2
34. Cadmium bisulfate Cd(HSO4)2 46. Iron (II) bicarbonate Fe(HCO3)2
35. Lithium acetate LiC2H3O2 47. Mercury (I) acetate Hg(C2H3O2)
36. Ammonium permanganate 48. Sodium bromite NaBrO2
NH4MnO4 49. Carbon dioxide CO2
37. Phosphorus pentoxide PO5 50. Ammonium sulfite (NH4)2SO3
11 Name: ______
Chem I Formula Writing Worksheet (page 14)
First, determine whether the compound is Ionic or Molecular. If ionic (metal and nonmetal or polyatomic ions) cross charges to write formula. If the compound is molecular (2 nonmetals) use prefixes to determine subscripts in formula.
Name Ionic or Molecular? Formula Silver Nitrate I AgNO3 Silver Nitride I Ag3N Calcium Hydroxide I Ca(OH)2 Carbon Tetrachloride M CCl4 Magnesium Oxide I MgO Carbon Disulfide M CS2 Ammonium Hydroxide I NH4OH Aluminum Chloride I AlCl3 Carbon Dioxide M CO2 Diphosphorus Pentoxide M P2O5 Sodium Carbonate I Na2CO3 Potassium Chlorate I KClO3 Boron Trifluoride M BF3 Sodium Sulfate I Na2SO4 Cuprous Nitrate I CuNO3 Ferric Chloride I FeCl3 Cupric Sulfate I CuSO4 Dinitrogen Monoxide M N2O Zinc Chromate I ZnCrO4 Cobaltous Hydroxide I Co(OH)2 Lead (II) Chloride I PbCl2 Carbon Tetrachloride M CCl4 Manganese (II) oxide I MnO Xenon Hexafluoride M XeF6 Stannic Carbonate I Sn(CO3)2
12