Where are valence electrons located in an atom?

Valence electrons are the electrons in the outermost shell, or energy level, of an atom.

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."

i think it is d. e because the next one is igneous.