Which kind of defect in ionic crystals does not alter the density ?

(i) What is ferromagnetic substance? (ii) KBr crystallises in face-centred cubic (fcc) crystals. The density and formula mass of KBr crystal are 2.65g*cm^(-3) and 119g*mol^(-1) respectively. Find the distance between K^(+)andBr^(-) ions in KBr crystal. or, (i) Which kind of defect in ionic crystal does not alter the density? (ii) An element X has atomic mass 60g*mol^(-1) and density 6.23g*cm^(-3) . The edge length of its unit cell is 400 pm. Identify the type of the unit cubic cell. Calculate the radius of X atom.

Which point defect in crystals does not alter the density of the relevant solid ?

What is Frenkel defect? What type of ionic solids are likely to develop this defect? Why does the presence of Frenkel defect in a crystal not affect the density of the crystal?

What is Schottky defect? Is it a stoichiometric or non-stoichiometric defect? What type of ionic crystals are likely to show this type of defect? Does the presence of this defect in a crystal increase or decrease the density of the crystal? Explain.

Which stoichiometric defect in crystals increses the density a solid?

Which kind of defects are introduced by doping-

which kind of defects are introduced by doping ?

Schottky defect in crystals is observed when

Does Frenkel defect in AgCl crystal change its density ?

Which defect in an ionic crystal is a combination of a vacancy defect and an interstitial defect?