Schottky defect and Frenkel defect are ....... .

Which defect leads to an increase in the density of a solid?

Identify the type of defect from the following in stainless steel.

The color of $LiCl$ due to $F$-centers is .......

Analysis shows that nickel oxide has the formula $Ni_{0.98}O_{1.00}$. What fractions of nickel exist as $Ni^{2+}$ and $Ni^{3+}$ ions?

In a solid lattice,the cation has left a lattice site and is located at an interstitial position. The lattice defect is: