Chapter 6, 14-16 Exam Practice Problems

1. Write the names for the following substances: HI, CO₂, N₂, BaCl₂, CaSO₄

2. Write the formulas for the following compounds: Chloric acid, Magnesium phosphate, Nitrogen dioxide, Calcium nitride

3. Categorize each substance above as a molecule, molecular compound, ionic compound or acid

4. What type of bonds are found in a molecule, molecular compound, ionic compound, polyatomic ions or acid? What type of bonds are found in each of the compounds from question 1? How do these types of bonds form?

5. What are the monatomic cations from question 1 and 2? What about polyatomic anions?

6. How do cations and anions differ? what do they have in common? which is written first in a formula?

7. What are the names of each family, what elements are in those families and what are their oxidation numbers?

8.  What type of intramolecular forces (bonds) are found in the following substances? How do you know? Indicate whether each would conduct electricity well? (O₂, CH₃OH, KBr, NH₄OH, HCl)

9. Using electronegativities, determine what type of bond should form in the substances below. Show work! (N₂, MgCl₂, CBr₄, Aluminum Bromide)

10. High melting point is a property of what type of compound?  High conductivity is found in what kind of substances?

11. Draw the Lewis Structures for the substances in Question #9.