Question

Cdo has NaCl structures with density 8.27 gem ?. If the ionic radius of 02- is 1.24 Å, determine ionic radius of Cd2+ (moler mass of CdO = 128)
(a) 1.5 Å
(b) 1.01 Å
(c) 1.9 Å
(d) 1.7 Å