Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others. In chemistry, a group refers to two or more atoms that are specifically arranged.
Hoped that helped
Although coal is Kentucky's primary energy source, the state also produces oil and natural gas
An orogenesis is a general term for the processes that produce mountains.
There would be two answers for this question. For the reasons that it could give people an idea of what cause the regional conflict taking place and it also influences the region's political and economic decisions. Furthermore, understanding the people on both of these regions would give us a keen understanding on how they are different from us.
The answer is D, noble gases are stable.