Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a The nitride ion, N 3 -, bụ isoelectronic na oxide anion, O 2 -, na fluoride anion, F -.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Nitride ion (N 3 - ) bụ isoelectronic na oxide anion, O 2 -, na fluoride anion, F - ma nwee radius ionic na-eme atụmatụ ịbụ 140 pm. "