1.Among the isoelectronic ions (O²⁻, N³⁻, Mg²⁺, Na⁺), the ions with the least and the highest ionic radius are, respectivelya.Mg²⁺, N³⁻b.Mg²⁺, O²⁻c.Na⁺, N³⁻d.Na⁺, O²⁻Login to continueOnly logged in users canattempt or see the solution.