Saturday, February 19, 2011

Allergic Reaction To Cigar Wrap

CLASS 36 3 º A-3 º B: PERFORMANCE REVIEW AND EXERCISES ON THE PERIODIC TABLE

Hi

Test results were generally a little loose, ALL YOU CAN DO BETTER.

After the results we did the following exercises, you have not finished you have to do it at home. The exercises are:

1 .- Classify the following substances as non-metals and metals, indicating in each case the properties in which you have relied to make gold, oxygen, copper, wood, plastic and mercury.

2 .- Identify your surroundings everyday objects containing or made with any of these metals, and indicates which of their properties will be useful in each case:
a) Chromium b) Gold c) Aluminum d) Mercury e) Iron f) Platinum g) Zinc


3 .- Sort the following items of less than more metallic character: Na, B, Cu, Hg, B, Ar, Ca, Fe, Zn and Ga.

4 .- What is the element that has more metallic character?

5 .- Search the periodic table an example of each one group

6 .- Write the electron configuration of each of the examples above, are met as indicated in the table above.

7 .- Indicates what group are the following: sodium, strontium, sulfur bromide and helium.

8. Write the elements of the above groups.

Greetings ...

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