Question

what is metal deficiency defect.?​

Answer 1

Answer:

Metal Deficiency Defect By Cation Vacancy. ... e.g., Transition metal compounds like NiO, FeO, FeS etc. By having extra anion occupying interstitial site: In this, an extra anion is present in the interstitial position. The extra negative charge is balanced by one extra positive charge on the adjacent metal ion..

Answer 2

Answer:

Hii mate❤

Metal Deficiency Defects:

In certain cases, one of the positive ions is missing from its lattice site and the extra negative charge is balanced by some nearby metal ion acquiring additional charges instead of original charge.