Pick the correct answer!
1. Why does the octet rule apply primarily to main-group elements, not to transition metals?
a. The octet rule states that main-group elements tend to react so that they attain a halogen electron configuration.
b. The octet rule states that transition metal-group elements tend to react so that they attain a noble gas electron configuration.
c. The octet rule states that main-group elements tend to react so that they attain a ionic electron configuration. d. The octet rule states that main-group elements tend to react so that they attain a noble gas electron configuration.