What is the formula for an ionic compound made of barium and nitrogen?

1 Answer
Mar 9, 2016

#Ba_3N_2#

Explanation:

Barium is an alkaline earth metal, and forms #Ba^(2+)# ions; nitrogen is from Group 15, and can form nitride ions, #N^(3-)#.

The salt that forms will be electrostatically neutral, so a formula of #Ba_3N_2#. Charge is balanced.