Question

explain metal excess defects​

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:

$<font color= skyblue>$ See Attachment....