Help pls.!! It's due tonight

Can someone me with questions 12 and 13 plz.

Which other elements contain the same number of outer electrons as sodium

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.