Nomenclature and Formula Writing

CP Chem Nomenclature and Formula Writing

A. Chemical Formulas – Ions

1.Identify the following elements as metals, nonmetals, or semimetals. a. potassium ______b. boron ______c. molybdenum ______d. iodine ______e. uranium ______f. strontium ______g. sulfur ______h. cobalt ______

2 .In which family/group are the elements found? a. potassium ______b. boron ______c. molybdenum ______d. iodine ______e. uranium ______f. strontium ______g. sulfur ______h. cobalt ______

3. Write the symbol and the name of the ion formed. a. A strontium atom loses two electrons. ______b. An iodine atom gains one electron. ______c. A nitrogen atom gains three electrons. ______d. A hydrogen atom loses one electron. ______

4. Complete this table: Symbol of the Element Change in Electrons Formula of Ion Name of Ion a. Ca 2 electrons lost b. F F- c. Al+3 d. Na Na+1 e. P-3 f. Se 2 electrons gained

5. State the number of electrons either lost or gained in forming each ion. a. S-2 ______b. Al+3______c. Cl-1 ______d. K+1 ______e. OH-1______f. Ba+2 ______

6 Write the formula and charge of each of the following ions. a. magnesium ion ______e. hydroxide ______

b. lead(IV) ion ______f. iron(II) ion ______

c. chromate ion ______g. ammonium ion ______

d. nitrite ion ______h. copper(I) ion ______

7. Would you expect the following compounds to be ionic or molecular? a. CO ______b. KBr ______c. C3H8 ______d SO3 ______e. NaF ______f. NH3 ______

8. State whether each formula represents a molecule or a formula unit. a. CO ______b. KBr ______c. C3H8 ______d SO3 ______e. NaF ______f. NH3 ______

9. Using only the periodic table, name and write the formulas of the ions of these representative elements: a. lithium ______d. oxygen ______b. barium ______e. fluorine ______c. potassium ______f. lead(II) ______

10. Name the following ions: a. H+1 ______e. Mg+2 ______b. N-3 ______f. Sn+4 ______

+3 -2 c. Cr ______g. SO4 ______d. Zn+2 ______h. Se-2 ______

11. Write the formula and charge of each of the following ions. a. barium ion ______e. cyanide ______b. lead(II) ion ______f. vanadium (V) ion ______c. dichromate ion______g. chlorite ion ______d. nitride ion ______h. cesium ion ______

B. Identify the following elements as metals, nonmetals, or metalloids. Write the symbol of the element. 1. cesium ______5. zirconium ______9. sodium ______2. vanadium ______6. aluminum ______10. nickel ______3. chromium ______7. silicon ______11. germanium ______4. fluorine ______8. helium ______12. tellurium ______C. State the number of electrons either lost or gained in forming each of the following ions: 13. S2- ______15. Al+3 ______17. Cl-1 ______14. K+1 ______16. OH-1______18. Ba+2 ______

D. Would you expect the following compounds to be ionic or molecular?

19. CO2 ______21. RbI______23. C6H12O6 ______

20. TeO3 ______22. AlI3 ______24. Zn(NO3)2 ______Formulas for Ionic Compounds

E. Writing Formulas for Binary Ionic Compound.

Write the correct formula for the compound formed by each of the following pairs of ions.

1. Na+1, F-1______5. Li+1, S-2 ______2. K+1, S-2 ______6. Sn+4, O-2 ______3. Al+3, O-2______7. H+1, Cl-1 ______4. Ca+2, N-3______8. Cs+1, O-2 ______

F. Naming Binary Ionic Compounds

Name these binary ionic compounds.

9. CoI3 ______13. Cu2S ______

10. Cs2O ______14. K2O ______

11. AlI3 ______15. PbO ______

12. FeO ______16. PbO2 ______

G. Writing Formulas for Ternary Ionic Compounds. Write formulas for these compounds. 17. barium hydroxide______21. sodium chlorite ______18. aluminum sulfate ______22. lead(IV) dichromate ______19. magnesium cyanide______23. iron(III) carbonate ______20. ammonium sulfite______24. aluminum hydroxide ______

H. Naming Ternary Ionic Compounds. Write the name for these compounds.

25. NaCN ______29. Cu(NO3)2 ______

26. CaSO4 ______30. Mg3P2 ______

27. Sn(HPO4)2______31. HgHPO4 ______

28. Fe(ClO4)3______32. Na2Cr2O7 ______

I. Writing Formulas for Binary Ionic Compounds ( Cations with Multiple Charges). Write formulas for the following compounds.

33. tin(II) oxide______38. Iron(II) chloride ______

34. nickel(III) chloride ______39. Copper(II) oxide ______

35. copper(I) nitride ______40. Chromium(III) oxide ______

36. lead(IV) chloride ______41. Manganeese(IV) oxide ______

37. iron(III) nitride ______42. Mercury(I) sulfide ______J. Writing Formulas for Ternary Ionic Compounds (Ions Given).

Write formulas for the following compounds.

1. K+1, OH-1______7. Al+3, Cl-1 ______

+1 -1 +3 -2 2. Na , CN ______8. Al , SO4 ______

3. Ca+2, OH-1______9. Al+3, N-3 ______

+2 -2 +2 -1 4. Ca , SO4 ______10. Ba , C2H3O2 ______

+1 -1 +2 -1 5. NH4 , Cl ______11. Ca , NO3 ______

+1 -2 +2 -1 6. NH4 , CO3 ______12. Zn , ClO4 ______

K. Writing Formulas for Ternary Compounds ( Names Given).

1. magnesium hydroxide ______5. Sodium hypochlorite ______

2. potassium sulfate ______6. Lead(IV) chromate ______

3. magnesium dichromate ______7. Iron(II) sulfate ______

4. ammonium sulfide ______8. Aluminum nitrate______

L. Naming Ternary Ionic Compounds (Formulas Given).

1. LiCN ______6. Cr(NO3)2 ______

2. (NH4)2SO4 ______7. Mg3(PO4)2 ______

3. Sr(H2PO4)2 ______8. Sr3(PO4)2 ______

4. Fe(ClO3)3 ______9. Cu2HPO4 ______

5. (NH4)2CO3 ______10. KClO3 ______

M. Naming and Writing Formulas for all Ionic Compounds. Write the name or formula, as appropriate. 1. aluminum hydroxide ______

2. K2SO3 ______3. LiF ______4. potassium chlorite ______

5. Sn3(PO4)2 ______6. zinc hydrogen sulfate ______7. calcium sulfate ______

8. Pb3(PO4)4 ______

9. Al2S3 ______10. barium hydroxide ______11. silver chloride ______12. FeS ______

13. Hg2S ______

14. SnI4 ______

15. CoF3 ______16. CuO ______17. sodium iodide ______18. calcium chloride ______19. potassium sulfide ______20. lithium nitrate ______21. copper(II) sulfate ______22. sodium carbonate ______23. barium phosphate ______

24. Ag2O ______

25. Ca(OH)2 ______

26. Zn(NO3)2 ______

27. KClO3 ______

28. NH4OH ______

29. FeCr2O7 ______

30. Pb3(PO4)2 ______

N. Write formulas for the following compounds:

1. dichlorine monoxide ______2. dinitrogen tetroxide ______3. mono-nitrogen dioxide ______4. iodine tri-chloride ______5. carbon disulfide ______6. sulfur hexafluoride ______7. carbon tetrafluoride ______8. dinitrogen pentoxide ______

O. Name the following molecular compounds:

9. ICl3 ______16. N2O4 ______

10. NO2 ______17. I2O7 ______

11. P2O3 ______18. XeF4 ______12. CO ______19. CH4 ______

13. N2O5 ______20. BrI5 ______

14. SiO3 ______21. H2O ______

15. PCl3 ______22. C2H6 ______P. Name each of the following substances. Specify if the compound is ionic or molecular. Molecular or Ionic Name

23. SiF6 ______

24. Ca(OH)2 ______

25. Hg2Cr2O7 ______

26. N2O3 ______

27. Al(MnO4)3 ______

28. Cl2O ______

29. XeF6 ______

Q. Nomenclature/Formula Writing - Review (GR)

Write formulas for the following compounds:

1. Lead(II) sulfate ______9. Chloric acid ______2. Sodium bicarbonate ______10. Mercury(II) peroxide ______3. Dinitrogen tetroxide ______11. Calcium phosphate ______4. Potassium permanganate ______12. Iron(III) oxide ______5. Sulfuric acid ______13. Barium nitrate ______6. Copper(II) fluoride ______14. Cuprous sulfite ______7. Stannic carbonate ______15. Bismuth(V) selenide ______8. Potassium dichromate ______16. Nitric acid ______

R. Name the following compounds. Use as many names as possible for each compound (old and new names if appropiate). 17. NaOH ______25. HCl ______

18. N2O5 ______26. HNO3______

19. CuSO3 ______27. MnCl2 ______

20. K2O2 ______28. HClO ______

21. FeCl3 ______29. MnCl4 ______

22. Ca(CN)2 ______30. SF6 ______

23. NH4NO2 ______31. Ni(OH)2 ______

24. Al2(SO4)3 ______32. H2SO4 ______S. Look at the following formulas. SOME are correct as written, while others are not. If the formula is NOT CORRECT, write the correct formula, and give it a name. If the formula is correct as written, you only have to name the compound.

33. LiCrO4 ______41. CaSO4 ______

34. BaN ______42. NH4PO4 ______35. KF ______43. BI ______

36. CaCl ______44. KCO3 ______

37. HClO4 ______45. AlO ______

38. SiCl4 ______46. TiCl4 ______

39. PbO ______47. K2C2H3O2 ______

40. LiN______48. HSO4 ______49. Potassium Oxalate______50. HCN ______

51. HBrO3______52. KSCN ______

53. NiHPO3 ______54. Bismuth(V) sulfite ______

55. Ag2Cr2O7______56. Pb(C2H3O2)2 ______