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CU Non Metals and Halogens & Odor of Gasoline Question

 

There’s 2 section of question in need of a respond to each section of question a minimum of 75 words: Also references is needed.

Section 1: What are the similarities and differences among silicates, nonmetals and halogens?

Section 2:

What are the structural and the condensed structural formulas for n-octane, C8H18? What are the five isomers of hexane?