Question

The ionic radii (Å) of C4- and 02-respectively are 2.60 and
1.40. The ionic radius of the isoelectronic ion N3- would be
(a) 2.6
(b) 1.71
(c) 1.4
(d) 0.95​

Answer 1

Answer:

answer is c. 1.4 may be.