Tuesday, January 19, 2010

26. SECOND AND THIRD PERIODS

26




SECOND AND THIRD PERIODS



CHAPTER 26- SECOND AND THIRD PERIODS (9 pages) - answers many questions such as:

 Why is the formula of nitric acid HNO3 and not (HO)5N or H3NO4.
Why are SO2 and CO2 monomers rather than polymers like SiO2.

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