Thursday, January 24, 2008

 

Thurs-Day 2

Bio- HW outline of section 37.3 is due on Friday.
Because of the Math A Regents, we just did general test skills practice; check Blackboard for the annotated questions and answers.

Chem 7/8- we had extensive review of much of the relevant material on tomorrow's test. However, this is a quarterly exam so anything from the second quarter notes and even some material from the first quarter (especially that which was highlighted in today's review) can be on part I or part II of the test. Be prepared.
On Blackboard, I posted my fully annotated questions and answers for the quarterly review packet. If you are taking your tests properly, your test will look just like that review packet. The underlined keywords, predicted answers, and illustrations prevent careless errors and almost guarantee that you will answer correctly and confidently.

Chem 9- I didn't get to the TWO main errors that I saw in most of the homeworks. Do not repeat these errors on the quarterly:
1) there is no such thing as FLOURine! Fluorine is the element.
Mnemonic: FLUorine has the FLU! Get it right for good.
2) Whenever you write a transition metal in ANY compound, the name MUST (not optional!!!) have a Roman numeral/Stock system designation, which tell which of the two or three possible ions OF that metal is in the compound. So, iron oxide is WRONG but iron II oxide refers to FeO whereas iron III oxide refers to a different salt, Fe2O3 .
Practice your formula writing of these salts in particular.

we reviewed much of the relevant material for tomorrow's exam though we did not have time for drawing Lewis structures of molecules, physical properties of molecules vs. metals vs. salts vs. network solids. Use your notes and previous tests and review packets to study for that.
On Blackboard, I posted my fully annotated questions and answers for the quarterly review packet. If you are taking your tests properly, your test will look just like that review packet. The underlined keywords, predicted answers, and illustrations prevent careless errors and almost guarantee that you will answer correctly and confidently.



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