Tuesday, January 26, 2010

Homework due Jan. 28th, 2010

Chemistry book page 306 # 10.5 and 10.6

Project Due Jan 29th, 2010

Due Friday Jan 29th.
the project is in groups, they are the following:
Nathalia and Fermin : Double Replacement Reactions
Juan Carlos and Victor: Combustion reactions
Saul and Ale: Single Replacement Reactions
Marcelo, Gerardo and Hector: Combustion Reactions
Marielle and Paco: Combination (Synthesis) Reactions
Explaine what they are, how they happen, and give examples of them and how to balance this type of eauqtion.You will be graded on this presentation, how well you are prepared, your materials (preferably a power point prsentation) and your overall knowledge. The grade will be individual. If you decide to make a power point presentation make sure that you send me a copy via e-mail so that I can upload it to the site.

Monday, January 18, 2010

Homework Jan 18, 2010

Please download from www.engrade.com/monicalozano the presentation on Nomenclature and print it. read over it to discuss in class. Also remember to study the first four groups of the periodic table (IA, IIA, IIIA, and IV) for pop quiz and buy a periodic table at the store.
Thanks!!!

Monday, November 9, 2009

Homework Electronegativity

I uploaded at the www.engrade.com/monicalozano site a homework on ionic, polar covalent or non-polar covalent bonding by electronegativity. Please answer.

Wednesday, November 4, 2009

Homework Nov. 4

Please answer and copy the following problems in your notebook.
pg. 180 # 6.23
pg. 181 # 6.27 & 6.28
pg. 183 # 6.67, 6.75, 6.76 & 6.77
pg. 244 # 8.15
pg. 245 # 8.17, 8.21, 8.25 & 8.26
pg. 246 # 8.39
pg. 248 # 8.93 & 8.94
Show all procedures!
Due tomorrow!

Wednesday, October 28, 2009

DOWNLOAD presentation

Please down load the presentation Enlaces Quimicos and Electronegatividad from the following site:
www.engrade.com/monicalozano
From this page select the class that says Chemistry 10th grade.
From this same site you can downlaod the electronegativity periodic table.

Monday, October 19, 2009

Oxidation Number Practice

Hi Guys!
I uploades to the following site your homework on Oxidation numbers:
www.engrade.com/monicalozano
Please print or copy into your notebook.
thanks!!!