Naming Chemical Compounds

Part 1

Indicate whether the following are metals (M), metalloids/semimetals (SM) or non-metals (NM)

1. Sodium ______M 6. Copper ______M

2. Magnesium ______M 7. Oxygen ______NM

3. Calcium ______M 8. Cesium ______M

4. Silicon ______SM 9. Hydrogen ______NM

5. Aluminum ______M 10. Nitrogen ______NM

Part 2

Predict the type of bonding (covalent (C) or ionic (I)) between

1. Na and Cl ______I 6. N and O ______C

2. Li and O ______I 7. S and O ______C

3. K and F ______I 8. Mg and S ______I

4. Mg and Cl ______I 9. Hg and P ______I

5. Ba and N ______I 10. C and O ______C

Part 3

Write down the names and symbols (for example, Na+) for the cation and anion, including the correct charge, in the following ionic compounds

1. NaCl cation ______Na+ anion ______Cl-

+ - 2. LiCl cation ______Li anion ______Cl

3. MgO cation ______Mg2+ anion ______O2-

+ 3- 4. K3P cation ______K anion ______P

5. BaS cation ______Ba2+ anion ______S2-

3+ 2- 6. Al2O3 cation ______Al anion ______O

7. FeO cation ______Fe2+ anion ______O2-

3+ 2- 8. Fe2O3 cation ______Fe anion ______O

9. AlN cation ______Al3+ anion ______N3-

2+ - 10. BaCl2 cation ______Ba anion ______Cl

Part 4

Write the chemical formula for the following polyatomic ions

1. Hydroxide ______OH- 6. Cyanide ______CN-

+ 2- 2. Ammonium ______NH4 7. Peroxide ______O2

- 2- 3. Hydrogen sulfate ______HSO4 8. Carbonate ______CO3

2- - 4. Sulfite ______SO3 9. Perchlorate ______ClO4

- - 5. Nitrate ______NO3 10. Chlorate ______ClO3 Part 5

Name the anion in the following ionic compounds

1. LiOH ______7. KMnO4 ______hydroxide permanganate

2. NH4Cl ______chloride 8. LiHCO3 ______bicarbonate or hydrogen carbonate 3. NaNO2 ______nitrite 9. MgHPO4 ______4. AlPO4 ______hydrogen phosphate phosphate 10. NaClO ______5. MgCO3 ______hypochlorite carbonate

6. KNO3 ______nitrate

Part 6

Name the following ionic compounds

1. NaOH ______sodium hydroxide

2. NH4Cl ______ammonium chloride

3. KNO2 ______potassium nitrite

4. AlPO4 ______aluminum phosphate

2 5. CaCO3 ______calcium carbonate

6. KNO3 ______potassium nitrate

7. KMnO4 ______potassium permanganate

8. NaHCO3 ______sodium hydrogen carbonate (bicarbonate)

9. CaHPO4 ______calcium hydrogen phosphate

10. KClO ______potassium hypochlorite

Part 7

Name the following covalent compounds

1. CO2 ______carbon dioxide

2. PCl3 ______phosphorus trichloride

3. SO3 ______sulfur trioxide (not sulfite)

4. N2O ______dinitrogen monoxide

5. CCl4 ______carbon tetrachloride

6. P2Cl5 ______diphosphorus pentachloride

7. N2O4 ______dinitrogen tetraoxide

8. NH3 ______ammonia

9. IF6 ______iodine hexafluoride

10. ClO ______chlorine oxide or monoxide (not hypochlorite)

Part 8

Write the correct chemical formulas for the following compounds

1. Calcium oxide ______3. Dihydrogen sulfide ______CaO H2S

2. Sodium dichromate ______4. Nickel (II) oxide ______NiO Na2Cr2O7 5. Lithium nitrite ______LiNO2

3 6. Cobalt (III) oxide ______9. Potassium oxide ______K2O Co2O3 10. Potassium chlorate ______7. Aluminum fluoride ______KClO3 AlF3

8. Sodium sulfate ______Na2SO4 Part 9

Name the following acids

1. HCl 6. H2SO4 ______hydrochloric acid sulfuric acid

2. HBr 7. HNO2 ______hydrobromic acid nitrous acid

3. HNO3 8. HI ______nitric acid hydroiodic acid

4. HClO4 9. HClO3 ______perchloric acid chloric acid

5. H3PO4 10. CH3CO2H ______phosphoric acid acetic acid

Part 10

Give the names of the following covalent or ionic compounds

1. (NH4)3P 4. Zn(OH)2 ______ammonium phosphide zinc (II) hydroxide

2. CoCO3 5. K2SO4 ______cobalt (II) carbonate potassium sulfate

3. Cr2O3 6. N2F4 ______chromium (III) oxide dinitrogen tetrafluoride

4 7. AgCl 19. HClO4 ______silver (I) chloride perchloric acid

8. FeS 20. NH3 ______iron (II) sulfide ammonia

9. K2O2 ______potassium peroxide

10. H2CO3 ______dihydrogen carbonate or carbonic acid

11. Cu(NO3)2 ______copper (II) nitrate

12. Li3N ______lithium nitride

13. H3PO4 ______phosphoric acid

14. CuSO3 ______copper (II) sulfite

15. KNO2 ______potassium nitrite

16. (NH4)3PO4 ______ammonium phosphate

17. NaSCN ______sodium thiocyanide

18. H2O2 ______hydrogen peroxide

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