Question 3.12 Consider the following species:
N3â, O2â, Fâ, Na+, Mg2+ and Al3+
(a) What is common in them?
(b) Arrange them in the order of increasing ionic radii.
Class XI Classification of Elements and Periodicity in Properties Page 93
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A. Electrons is common
B.al3+ Mg²,NA+, F-,O-2, N-3
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