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| 1. |
What are different types of points defects ? |
| Answer» Solution :Point defects are of three types stoichiometric defects, impurity defects and non - stoichiometric defects.Vacancydefects and interstitialaldefectaas are the two basic types of stoichiometric, point defects. In ionic SOLID, these defects arecaused by the presence of an impurity in the crystal.In ionic solids, when the ionic impurity has a different VALENCE than the main COMPOUND, some vacanciesare created . Non stoichiometric defects are of metal excess type and metal deficient type. | |