1. Checking 5 minutes after the bell.
Warm-Up 11/19/14
Draw the Lewis dot structures for when the following become ions. Don’t forget the charge!
Ca  Br  Mg
Li Se
Checking 5 minutes after the bell.

2. -Know how ions form ionic compounds.
Objective:
-Know how ions form ionic compounds.
-Write chemical formulas for ionic compounds.
11/19/13 Agenda
Quiz Friday
Warm-Up
Ionic Bonding

3. Electron configurations Lewis dot structures
Quiz Friday
Three definitions:
1) aufbau principle
2) Pauli exclusion principle
3) Hund’s rule
Electron configurations
Lewis dot structures
Allowed an approved periodic table.

4. Checking 5 minutes after the bell.
Warm-Up 11/19/14
Draw the Lewis dot structures for when the following become ions. Don’t forget the charge!
Ca  Br  Mg
Li Se
Checking 5 minutes after the bell.

5. Ionic Compound – a compound composed of cations and anions (pg. 194)
Words to Know
Cation Anion
Ionic Compound – a compound composed of cations and anions (pg. 194)
Ionic Bond – The forces that hold ions together in ionic compounds (pg. 194)

6. Words to Know
Chemical formula – shows the number and types of atoms in the smallest representative unit of a substance (ex. NaCl and not Na2Cl2)
Formula unit – lowest whole-number ratio of ions in an ionic compound (pg. 195)

7. Ionic Compound – a compound composed of cations and anions (pg. 194)
What does it mean??
Ionic Compound – a compound composed of cations and anions (pg. 194)
Ionic Bond – The forces that hold ions together in ionic compounds (pg. 194)

8. Ionic Compound – a compound composed of cations and anions (pg. 194)
What does it mean??
Ionic Compound – a compound composed of cations and anions (pg. 194)
Ionic Bond – The forces that hold ions together in ionic compounds (pg. 194)
LiBr

9. What does it mean??
Formula unit – lowest whole-number ratio of ions in an ionic compound (pg. 195)

10. What happens when a magnesium ion bonds with a chlorine ion?
Try one!
What happens when a magnesium ion bonds with a chlorine ion?
Try writing the chemical formula of it.
Start with figuring out what type of ions each becomes first.

11. Flame Test Lab Report due Tuesday 11/25/14
Homework
Quiz Friday
Flame Test Lab Report due Tuesday 11/25/14

12. Split a half sheet with someone. Now try these combinations!
Debrief
Split a half sheet with someone.
Now try these combinations!
1) Calcium with fluorine
2) Rubidium (Rb) with oxygen
3) Magnesium with phosphorus
DON’T FORGET YOUR NAME!

13. Flame Colors
Textbook – Section 5.3
In your notebook:
Answer questions 16-18, 21

14. Reading Questions
How is light produced?
What visible color is produced with a low amount of energy? What is the relative frequency and wavelength associated with this color?
What visible color is produced with a high amount of energy? What is the relative frequency and wavelength associated with this color?
According to your data, which cation had the highest energy release? Lowest?