Question

where are valence electrons in an atom

Answer 1

valency electrons are those which are in the outer most shell ( last shell)

Answer 2

Answer:

outermost shell

Explanation:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshel