Ionic Compounds Review 1

12 / 2 / 09

Admit Slip

What ions and ionic compound would Ca and F form?

Objectives

Students will be able to: Predict the ions that elements will form Predict the ionic compound that two elements will

form

Agenda

Review Homework Practice Problems Homework

Honors Homework p. 193

1. S-2 Al+3

2. a) Ba+2 2 lost b) As-3 3 gained c) Cu+2 2 lost

3. Valence electrons are equal to the column #

4. Nonmetal atoms gain e-.

Metal atoms lose e-.

5. Cations + form when metal atoms lose e-.

6. Anions - form when nonmetal atoms gain e-.

Honors Homework p. 193

7. Valence e- K: 1 C: 4 Mg: 2 O:6

9. Calcium: lose 2 Fluorine: gain 1

Aluminum: lose 3 Oxygen: gain 2

10. K K+1

Zn Zn+2

F F-1

Honors Homework p. 199

14. An ionic compound always has a 0 charge.

16. Ionic bonds form when anions - and

cations + attract one another and form a compound.

18. K+1 S-2 K2S Ca+2 O-2 CaO

Na+1 O-2 Na2O Al+3 N-3 AlN

Honors Homework p. 199

19. Ba+2 Cl-1 BaCl2 Mg+2 O-2 MgO

Li+1 O-2 Li2O Ca+2 F-1 CaF2

20. Cl and Br – No Li and Cl - Yes

K and He – No I and Na - Yes

Practice

1. What ions would you form from the following atoms?

a) I

b) Ca

Practice

1. What ions would you form from the following atoms?

c) N

d) K

Practice

What ions would you form from the following atoms?

e) Se

f) Sr

Practice

2. What ions and ionic compounds would you form from the following atoms?

a) Na and O

b) Al and Cl

Practice

What ions and ionic compounds would you form from the following atoms?

c) Mg and P

d) F and Ca

Practice

3. Write correct ionic formulas for each compound:

a) rubidium sulfide

b) calcium chloride

Practice

3. Write correct ionic formulas for each compound:

c) aluminum oxide

d) gallium fluoride

Complete the Classwork!

When you are done with the questions and Exit Slip on the back, check in with me!