NAME __________________________________________ DATEs Completed “c”____ “b”____ “a” ____ Chemical Bonding, Chemical Formulas Unit

“O.D.” is Oral Defense is required for all assignments. Mr. G will go around the room to verify completion/correctnessPoint Values shown are MAX. Points drastically removed or not given at all for incomplete/careless work“Pass/Fail” option is on “B” and “A” layer assignments onlyWhen work is Completed, move on to the next assignment and/or await teachers approvalDONʼT LOSE THIS “LAYER” SHEET OR YOUR GRADED ASSIGNMENTS IT MUST BE ATTACHED TO YOUR ASSIGNMENTS/SIGNATURES FOR YOUR FINAL UNIT GRADE. KEEP WORK IN YOUR CLASSWORK FOLDER

“C” Layer Assignments [30 pts Required from each section]: C H E M I C A L B O N D I N G

p.163 1, 2, 3 [6 pts] ______p.175 1, 2, 3 [6 pts]______p.175 #4 [5 pts]______p.180 1, 2, 3 [6 pts]______p.180 #4 [5 pts]______p.182 1, 2, 3 [6 pts]______p.195 1-15 [15 pts]______Bonding WS #1 [10 pts]______Bonding WS #2 [10 pts]______Other _________________________ [ ] ______

C H E M I C A L F O R M U L AIonic Compounds Naming: Demonstrated Learning of p.207 1(a-e), 2 (a-f) showing all steps to Mr. G [10 pts] ______

Taught to 2 others in the class [+5 pts each] [ ]______Covalent Compounds Naming: Demonstrated Learning of p.213 1 (a-c), 2 (a-c) showing all steps [5 pts]______

Taught to 2 others in the class [+5 pts each] [ ]______p.215 1-4 all [10 pts]______Oxidation Numbers: Practice 1 (a-d), showing all steps [5 pts] :: Taught to 2 others [5 pts each] [ ]______p.219 1 & 2 all [10 pts]______Other__________________________ [ ]______

“B” Layer Assignments (2 Required) [Pass/Fail]*Create a poster showing the difference between ionic, covalent and metallic bonding. Be sure to clearly show the differences and similarities of these types of bonds and include representative pictures of each.______Molecular Geometry Activity - Teacher signs off on all types of molecular shapes______Chromatography Lab - Using differing polarities inkʼs colors can be separated______Learn about Hybridization of molecular orbitals and explain in detail to the teacher how hybridization along with po-larity explain complex molecular shapes found in sp3, sp2 and sp hybrid orbitals. (An AP chemistry textbook or other source will likely be required) See Mr. G during AA or after school by appointment to orally defend this task.______Does Vitamin C definitively prevent colds? Determine whether there is any evidence for or against this theory, pro-vides reasons that make this type of claim difficult to prove, and summarize your findings in a one page paper.______

“A” Layer Assignments (1 Required) [Pass/Fail]*The polyatomic ion “phosphate” was once used in most laundry detergents in the USA. Find out why its use was discontinued and determine if other countries are still using it. Write a one-page summary of your findings but be sure to include the sources you used. Remember that encyclopedias, like Wikipedia, are not legitimate scientific re-sources and can only be used as supporting sources, not main sources of information.Phthalates are in the news as chemicals that may cause illness (toxic) or possibly cancers (carcinogenic). Research phthalates either write a one page summary or write a letter to your state representative citing the following: exam-ples of phthalates, where theyʼre found, and the pros and cons to their use.The chemical contents on many products are incomplete and may in fact mislead the public. Interview a scientist or health care worker about dangerous ingredients or poisons in the products you use. Write a one page summary of the interview. Include the pre-scripted questions you asked and their responses. Perform your own experiment/inquiry about a topic of your choice, ask Mr. G for the rubric

Mr. Greschuk Briggs HS November 2007 Layered Curriculum Chemistry

* Pass/Fail Means 90% Completed & 80% Correct Required to “Pass” Mr. Greschuk (Mr. G) 2007