A metallic element crystallises into a'lattice containing a sequence of layers of 'A B A B A B' Any packing of spheres leaves out voids. in the lattice. What percentage by volume of this lattice is empty space?

A metalic element crystallizes into a lattice containing a sequence of layers ABCABC. Name the type of close packing in this element.

A metalic element crystallizes into a lattice containing a sequence of layers ABCABC. What percentage by volume of this lattice is empty space?

A metalic element crystallizes into a lattice containing a sequence of layers ABCABC. What is the co-ordination number of the above close packing ?

A metal crystallises into a lattice containing a sequence of layers of ABC ABC. If the radius of metal atom is 174 pm, then the distance between the two successive layers (i.e. A and B ) is

A certain metal M crystallisesIn FCC lattice. It forms a compound with element A and B. A occupies all the octahedral voids and B occupies half of the tetrahedral voids. Find ut the emperical formula of the compound.

F- centres in an ionic crystal are a. lattice sites containing electrones b. interstitial sites containing electrons c. lattice cites that are vacant

Calcium crystallises in fcc lattice with edge length 0.5 nm. What is the density if it contains 0.1% Shottky defect?

a) Define lattice enthalpy of an ionic compound. b) What is Born-Haber cycle?

Q. A mineral having the formula AB_(2) crystallises in the cubic closed packed lattice, with A^(2+) atoms occupying the lattice points and B^(-) tetrahedral voids. the coordination number of A, B and fraction of the tetrahedral sites occupied by B atom respectively are:

A compound 'A B' crystallises in bcc lattice.with unit cell.edge length of '380 pm'. Calculate' (i) -the distance between oppositely charged ions (ii) radius of 'A^+' if radius of 'B^-' is in the lattice '175 pm' (c fits exactly in the cubic void)