Examples for Polarity HW

To my chemistry classes:

Some of you have inquired about the HW on Polarity of the molecule, I am posting an example of what you should do in this posting.

Dr. Liu

Update for 12-23-2016

Finally, Christmas Break is Here!  Here is the update for the break:

Regent Chemistry 1:    
• Completed Lab. Report #14 is DUE on 1/3/2017.
• HW #17 (Due 1/3/2017):  Worksheet - Nature of Chemical Bonding in a Compound & Polarity of the molecule (both sides).
• CastleLearning Xmas Assignment will be posted by next Tuesday.  DUE:  1/3/2017.
• Unit 5 Exam - Chemical Bonding will be held on Wednesday after we come back from the break.


Earth Science 1:        
• Classwork #3 "Racing Stones in Death Valley" & HW #17 worksheets are PAST DUE.   
• Completed Lab. sheet #14 is DUE on 1/3/2017.
• HW #18 (Due 1/3/2017):  Worksheet - Igneous & Sedimentary Rocks Review.
• CastleLearning Xmas Assignment will be posted by next Tuesday.  DUE:  1/3/2017.
• Unit 4 Exam - Rocks & Minerals will be held either Wednesday or Friday after we come back from the break. 

Have a nice Christmas break, Happy Holidays!

Dr. Liu

Update for 12-22-2016

Here is the update for today:

Regent Chemistry 1:   • Completed Lab. Report #14 is DUE on 1/3/2017.

Earth Science 1:       • Classwork #3 "Racing Stones in Death Valley" is PAST DUE.  
• HW #17 (Due Tomorrow):  Worksheet - Sedimentary Rocks Worksheet.   • Lab. #14 this week will be held Tomorrow in regular classroom.  
 Dr. Liu

Update for 12-21-2016

Here is the update for today:

Regent Chemistry 1:  
• Quiz #5:  Lewis electron diagram of Covalent and Ionic Compounds has been completed.  If you missed the quiz today, it's your responsibility to see me about the make up when you come in.
• HW #16  IUPAC Nomenclature of Covalent & Ionic Compounds is PAST DUE.
• Lab. #14 will be held in Rm. 311 Tomorrow.

Earth Science 1:      
• Quiz #5:  Minerals and Igneous Rocks has been completed.  If you missed the quiz today, it's your responsibility to see me about the make up when you come in.
• Classwork #3 "Racing Stones in Death Valley" is DUE by TOMORROW.   
• Lab. #14 this week will be held on Friday in regular classroom.  

 Dr. Liu

Update for 12-20-2016

Here is the update for today:

Regent Chemistry 1:  
• Quiz #5:  Lewis electron diagram of Covalent and Ionic Compounds has been completed.  If you missed the quiz today, it's your responsibility to see me about the make up when you come in.
• HW #16 (Due Tomorrow):  IUPAC Nomenclature of Covalent & Ionic Compounds.

Earth Science 1:    
• Quiz #5:  Minerals and Igneous Rocks has been completed.  If you missed the quiz today, it's your responsibility to see me about the make up when you come in.
• Lab. #14 this week will be held on Friday in regular classroom. 
 
Dr. Liu

Update for 12-19-2016

Here is the update for today:

Regent Chemistry 1:  
• HW #15 Worksheet and Lab. Report #13 are both PAST DUE.   
• Quiz #5:  Lewis electron diagram of Covalent and Ionic Compounds will take place tomorrow.

Earth Science 1:    
• HW #16 Worksheet and Lab. Sheet #13 are both PAST DUE.    
• Quiz #5:  Minerals and Igneous Rocks will take place tomorrow.
Dr. Liu

Update for 12-16-2016

Here is the update for this weekend:

Regent Chemistry 1:   
• HW #15 Worksheet - Ionic Compounds Worksheet is PAST DUE.  
• Lab. Report #13 will be DUE on MONDAY.
• Quiz #5:  Lewis electron diagram of Covalent and Ionic Compounds will take place on Tuesday.

Earth Science 1:   
• HW #16 Worksheet - Igneous Rocks Worksheet is PAST DUE.   
• Completed Lab. Sheet #13 will be DUE on MONDAY.
• Quiz #5:  Minerals and Igneous Rocks will take place on Tuesday.

Dr. Liu

Update for 12-15-2016

Here is the update for today:

Regent Chemistry 1: 
• HW #15 (Due Tomorrow):  Worksheet - Ionic Compounds Worksheet. • Lab. Report #13 will be DUE on MONDAY.

Earth Science 1: 
• HW #16 (Due Friday):  Worksheet - Igneous Rocks Worksheet. 
• Lab. #13 will be held TOMORROW in regular classroom.
 
Dr. Liu

Update for 12-14-2016

Here is the update for today:

Regent Chemistry 1:
• If you missed Chemistry 1 Midterm, it's your responsibility to see me about the make up.   
• HW #15 (Due Friday):  Worksheet - Ionic Compounds Worksheet.
• Lab. #13 will be held tomorrow in Rm. 311.

Earth Science 1:      
• If you missed Earth Science 1 Midterm, it's your responsibility to see me about the make up.   
• Completed Lab. Sheet #12 is PAST DUE. 
• HW #16 (Due Friday):  Worksheet - Igneous Rocks Worksheet.
• Lab. #13 will be held on Friday (regular classroom).
 
Dr. Liu

Update for 12-13-2016

Here is the update for today:

Regent Chemistry 1: 
• If you missed Chemistry 1 Midterm, it's your responsibility to see me about the make up. 
• No new HW for tonight.

Earth Science 1:    
• If you missed Earth Science 1 Midterm, it's your responsibility to see me about the make up.  
• Completed Lab. Sheet #12 is PAST DUE.
• No new HW for tonight.
 
Dr. Liu

Update for 12-09-2016

Here is the update for today:

Regent Chemistry 1:   
• If you missed Chemistry 1 Midterm, it's your responsibility to see me about the make up.     
• Lab. #12 has been completed and submitted in class as of today.

Earth Science 1:     
• HW #15 Worksheet - Mineral Review Questions is PAST DUE.
• If you missed Earth Science 1 Midterm, it's your responsibility to see me about the make up. 
• Completed Lab. Sheet #12 will be DUE on MONDAY.

Have a good weekend.
 
Dr. Liu

Update for 12-08-2016

Here is the update for today:

Regent Chemistry 1:  • HW #14  Worksheet - Lewis Electron Diagram of Covalent Compounds is PAST DUE.  • Chemistry 1 Midterm has been completed in-class today.  If you missed it, it's your responsibility to see me about the make up.    • Lab. #12 will be held tomorrow in Rm. 311.

Earth Science 1:    • HW #15 (Due Tomorrow):  Worksheet - Mineral Review Questions.   • Earth Sci. 1 Midterm has been completed in-class today.  If you missed it, it's your responsibility to see me about the make up.   
• Lab. #12 will be held tomorrow in regular classroom.
 
Dr. Liu

Update for 12-07-2016

Here is the update for today:

Regent Chemistry 1: 
• HW #14 (Due Tomorrow):  Worksheet - Lewis Electron Diagram of Covalent Compounds. 
• Review for Midterm has been posted on CastleLearning Website.  DUE:  Tomorrow. 
• Reminder:  Chemistry 1 Midterm will take place TOMORROW - Bring #2 pencil, calculator & Ref. Tables.   
• Lab. #12 has been postponed until Friday.

Earth Science 1:   
• HW #14 Worksheet - Properties of Common Minerals is PAST DUE.
• HW #15 (Due Friday):  Worksheet - Mineral Review Questions.  
• Review for Midterm has been posted on CastleLearning Website.  DUE:  Tomorrow.
• Reminder:  Earth Science 1 Midterm will take place Tomorrow - Bring #2 pencil & ESRT.
• Lab. #12 has been postponed until Friday.
 
Dr. Liu

Update for 12-06-2016

Here is the update for today:

Regent Chemistry 1:
• HW #13 Worksheet and Lab. Report #11 are both PAST DUE. 
• HW #14 (Due Thursday):  Worksheet - Lewis Electron Diagram of Covalent Compounds.• Review for Midterm has been posted on CastleLearning Website.  DUE:  THURSDAY. 
• Reminder:  Chemistry 1 Midterm is scheduled for THIS Thursday.  • Lab. #12 has been postponed until Friday.

Earth Science 1:  
• HW #13 Worksheet and Lab. Report #11 are both  PAST DUE. 
• HW #14 (Due Tomorrow):  Worksheet - Properties of Common Minerals.
• Review for Midterm has been posted on CastleLearning Website.  DUE:  THURSDAY.
• Reminder:  Earth Science 1 Midterm is scheduled for THIS Thursday.
• Lab. #12 has been postponed until Friday.
 
Dr. Liu

Update for 12-05-2016

Here is the update for today:

Regent Chemistry 1:
• HW #13 Worksheet and Lab. Report #11 are both PAST DUE.
• Reminder:  Chemistry 1 Midterm is scheduled for THIS Thursday. 
• Review for Midterm will be posted on CastleLearning Website.  DUE:  THURSDAY.
• Lab. #12 has been postponed until Friday.

Earth Science 1: • HW #13 Worksheet and Lab. Report #11 are both  PAST DUE.
• Reminder:  Earth Science 1 Midterm is scheduled for THIS Thursday. 
• Review for Midterm will be posted on CastleLearning Website.  DUE:  THURSDAY.
• Lab. #12 has been postponed until Friday.
 
Dr. Liu

Update for 12-02-2016

Here is the update for today:

Regent Chemistry 1:
• HW #13 (Due Monday):  Worksheet - Characteristics of Intramolecular Bonding. 
• Completed Lab. Report #11 will be due on Monday.
• Reminder:  Science Midterm is scheduled for next Thursday.

Earth Science 1:
• Complete Lab. Sheets #11 - Continental Drift is PAST DUE. 
• HW #13 (Due Monday):  Worksheet - Minerals Identification (both sides).
• Reminder:  Science Midterm is scheduled for next Thursday.
 
Dr. Liu

Update for 12-01-2016

Here is the update for today:

Regent Chemistry 1:
• HW #13 (Due Monday):  Worksheet - Characteristics of Intramolecular Bonding.
• Completed Lab. Report #11 will be due on Monday.
• Reminder:  Deadline for all 2MP make-ups is TOMORROW.  
• Science Midterm is currently scheduled for next Thursday.
 
Earth Science 1:
• Complete Lab. Sheets #11 - Continental Drift is PAST DUE.
• HW #13 (Due Monday):  Worksheet - Minerals Identification (both sides).
• Reminder:  Deadline for all 2MP make-ups is TOMORROW.
• Science Midterm is currently scheduled for next Thursday.
 
Dr. Liu