posted by anonymous
The elements of which of these groups on the periodic table are most resistant to forming compounds?
A. Group 1
B. Group 9
C. Group 14
D. Group 17
Look on your periodic table at the noble elements also referred to as the inert gases. If you don't have a periodic table handy, here is one at www.webelements.com
I think group 18. It is not on your list.
b. group 9