Question

what is a valence orbit or shells and valence electrons​

Answer 1

The valence electrons are the electrons in the outermost shell or last energy level of an atom. valence electrons are electrons on the last shell of an atom. Valence electrons are electrons in the highest principal energy level. They are electrons that sit on the outermost orbit of an element.

Answer 2

Answer:

carbon-(2, 4) and valency is 4

sodium-(2, 8, 1)and valency is 1