Ionic Bonding and Ionic Compounds Multiple Choice Questions and Answers

1. Predict the formula of the ionic compound that forms from magnesium and oxygen.

1. Mg₂O
2. MgO
3. MgO₂
4. Mg₂O₂

2. Sodium forms an ion with a charge of

1. 1+
2. -1
3. 2+
4. -2

3. Sulfur forms an ion with a charge of

1. 2+
2. -2
3. 3+
4. -6

4. The charge on the iron ion in the salt Fe₂O₃ is

1. 1
2. 2
3. 3
4. -5

5. The charge on the manganese in the salt MnCl₃ is

1. 1+
2. 1-
3. 2+-
4. 3+

6. The correct formula of iron(III) bromide is

1. FeBr₂
2. FeBr₃
3. FeBr
4. Fe₃Br₃

7. The correct name for Al₂O₃ is

1. aluminum oxide
2. dialuminum oxide
3. dialuminum trioxide
4. aluminum hydroxide

8. The correct name for CaH₂ is

1. hydrocalcium
2. calcium dihydride
3. calcium hydride
4. calcium dihydroxide

9. The correct name for Cu(CN)₂ is

1. Copper (I) cyanide
2. Carbon cyanide
3. Carbon carbonate
4. Copper (II) cyanide

10. The correct name for K₂S is

1. potassium sulfate
2. potassium disulfide
3. potassium bisulfide
4. potassium sulfide