Question

What is the valence shell?

a.it is the outermost shell of electrons in an atom.
b.it is the shell of electrons in an atom that is the least reactive.
c.it is the last partially filled orbital in an atom.
d.it is the shell of electrons in element v (atomic no. = 23)
e.it is the same as the orbital configuration?

Answer 1

The valence shell of an atom is the outermost shell of electrons.