Barium azide is 62.04% Ba and 37.96% N by mass. Assuming that barium exists as its most stable cation in the above compound, what is the molecular formula of barium azide, how many nitrogen atoms compose an azide ion, what is the charge on an azide ion, and would you expect the bond lengths between nitrogens in an azide ion to be the same or different? A. BaN4, 2, -1, different B. BaN6, 3, -1, same C.BaN4, 2 ,-1, same D. Ba3N2, 2, -3, different E. BaN6, 3, -1, different