Nitrogen can ionically bond with an unknown element x from group 2. how many ions of element x are required to create a stable ionic compound with nitrogen? a) 2 b) 3 c) 4 d) there is not enough information.

I think the correct answer from the choices listed above is option D. There is not enough information for us to know the number of  ions of element X are required to create a stable ionic compound with nitrogen. Hope this answers the question.