1. Intermolecular Forces
March 26, 2018
Intermolecular Forces
Bonding
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

2. Do Now (4 min)
March 26, 2018
Learning target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry
Do Now: (Answer on your Do Now Sheet)
Determine whether the following bonds are polar or nonpolar:
C-O N-H H-O C-H
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

3. Announcement No Tutoring this Thursday Lab Wednesday Test Thursday
March 26, 2018
No Tutoring this Thursday Lab Wednesday Test Thursday
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

4. Part A: Molecular Polarity
March 26, 2018
Independently:
Read the information in Part A
- Pay particular attention to the diagram
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

5. Part A: Molecular Polarity
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry
March 26, 2018

6. Practice: Part A: Molecular Polarity
March 26, 2018
In PAIRS:
Complete the Practice:
Draw the Lewis Dot structures
Determine whether the molecules are polar or nonpolar
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

7. Practice: Part A: Molecular Polarity
March 26, 2018
CH4 H2O CO CH3F NO3-
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

8. Part B: Intermolecular forces
March 26, 2018
Take 2 minutes to read INDEPENDENTLY
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

9. Part B: Intermolecular forces
March 26, 2018
O Ion-Ion IMF: O Dipole-Dipole IMF: O Hydrogen bonding IMF: O Dispersion Forces:  The heavier the molecule – the stronger the DISPERSION FORCE  The larger surface area – the stronger the DISPERSION FORCE
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

10. Part B: Intermolecular forces
March 26, 2018
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

11. Part B: Intermolecular forces
March 26, 2018
In PAIRS: Complete the PRACTICE problems - Use the Lewis dot diagrams and polarity from PART A to help you determine IMFs
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

12. Part B: Intermolecular forces
March 26, 2018
CH4 H2O CO CH3F NO3-
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

13. PART C: Using diagrams to determine intermolecular forces
March 26, 2018
In PAIRS: Solve a - d
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

14. PART C: Using diagrams to determine intermolecular forces
March 26, 2018
Solve in PAIRS: a) b) c) d)
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

15. PART D: Comparing strength of imfs
March 26, 2018
Independently:
Read the excerpt at the top of PART D
Complete the PRACTICE independently
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

16. PART D: Comparing strength of imfs
March 26, 2018
H2O NaCl H2 CO
(Smallest IMF) ____________ < ____________ < ____________ < ___________ (Largest IMF)
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

17. Part e: Comparing properties using imfs
March 26, 2018
In PAIRS:
Read the excerpt and apply the example how to solve the PRACTICE problems.
Use Lewis Dot Structures to determine Symmetry
Decide Polar, NonPolar, Ionic
Determine IMFs
Compare IMFs
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry

18. Using what you learned today, decide which has a HIGHER melting point:
March 26, 2018
Exit ticket (3 min)
EXIT TICKET: Complete on a separate sheet of paper
Using what you learned today, decide which has a HIGHER melting point:
H3N versus H3P
Learning Target: I can determine and compare the types of intermolecular forces using electronegativity (EN) values and symmetry