How do you find the charge of an ion

To find the charge of an ion you must add the charge of protons and charge of electrons of an element.

Explanation: By doing this you get the overall charge of the ion.

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 .