Group 18 is referred to as the noble gases. Briefly describe the characteristics of these elements.

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

No copying 15 pts how does a free-body diagram tell you about the net force on an object?