1. Warm-Up 11/18/14 Draw the Lewis dot structure of a phosphorus atom.
2) Draw the Lewis dot structure of phosphorus when it becomes an ion.

2. -Understand why different colors were produced in the Flame Test Lab.
Objective 11/18/14
-Understand why different colors were produced in the Flame Test Lab.
Agenda 11/18/14
Ion Recap
Flame Test Lab Debrief
Lab Report Expectations

3. Warm-Up 11/18/14 Draw the Lewis dot structure of a phosphorus atom.
2) Draw the Lewis dot structure of phosphorus when it becomes an ion.

4. Forming Ions
According to the octet rule, atoms want to have the highest energy level filled.

5. Is it easier for oxygen to lose 6 electrons or gain 2 electrons?
Forming Ions
Is it easier for oxygen to lose 6 electrons or gain 2 electrons?

6. Forming Ions
With two more electrons than protons in the oxygen atom, it becomes an anion.
It has a 2- charge.

7. Is it easier for magnesium to lose 2 electrons or gain 6 electrons?
Forming Ions
Is it easier for magnesium to lose 2 electrons or gain 6 electrons?

8. Forming Ions
With two less electrons than protons in the magnesium atom, it becomes a cation.
It has a 2+ charge.

9. Trend of Ions

10. METALS!!! NONMETALS!!! Trend of Ions
What types of elements typically become cations?
METALS!!!
What types of elements typically become anions?
NONMETALS!!!

11. Allowed to retake the quiz by the end of this week (schedule it).
Quiz Retake
Allowed to retake the quiz by the end of this week (schedule it).
Will accept score ONLY if it is 36/36.

12. Flame Test Lab Report
Title
Introduction
Hypothesis
Materials/Procedure
Results
Conclusion

13. Should include answers to the following: What are ions?
Introduction
Should include answers to the following:
What are ions?
How are different flame colors possible?
3) Include an explanation of valence electrons and the octet rule.

14. No hypothesis for this lab. Materials/Procedure
-Should be in paragraph form.
-YOU did the lab so from YOUR point of view.
-Past tense.
-Be detailed!

15. 1) Include three column data table.
Results
1) Include three column data table.
2) Include caption to describe the information in the data table.

16. -Answers to post-lab questions
Conclusion
Include:
-Answers to post-lab questions
-Explanation for how flame colors were produced (reading questions).

17. Post-Lab Questions (separate sheet)
Look up the definition of a cation. What imbalance of subatomic particles produce a cation?
Identify the cations in the two unknowns that you picked.
Compare your results with another group.
What possible errors could have occurred to get different results?

18. “An Explanation of Atomic Spectra”
Flame Colors
Textbook – Section 5.3
Read three sections
“Light”
“Atomic Spectra”
“An Explanation of Atomic Spectra”

19. 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?

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