Binary Ionic Compounds and Polyatomic Ions

Question 1

How do you name ionic compounds formed with s-block elements and aluminum?

Answer 1

1. Write the name of the metal

2. Write the name of the nonmetal and change the ending to -ide

Question 2

How do you name ionic compounds formed by transition metals or poor metals?

Answer 2

1. Write the name of the metal
2. Determine the oxidation of the nonmetal
3. Determine the oxidation number of the metal (must maintain a neutral charge)
4. Use a Roman numeral in parentheses to identify the metal’s oxidation number
5. Write the name of the nonmetal and change the end to -ide

Question 3

What is a polyatomic ion?

Answer 3

Ions with more than one atom

Question 4

What type of bonds do polyatomic ions form?

Answer 4

Ionic bonds

Question 5

How do you write chemical formulas with polyatomic ions?

Answer 5

1. Write the symbol and oxidation number for the metal
2. Write the symbol and the oxidation number for the polyatomic ion
3. Cross and drop
4. Simplify if necessary

Question 6

How do you name ionic bonds formed with polyatomic ions?

Answer 6

1. Name the metal
2. If it is a transition metal, add Roman numeral in parentheses
3. Name the polyatomic ion