Sabendo que a carga elétrica nuclear de um ião é +5 e que existem 8 eletrões neste ião, calcula a carga elétrica do ião.

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .