Solid State Tes...

At zero kelvin, most of the ionic crystals possess :

The ABAB packing and ABCABC packing are respectively called as:

Tetragonal crystal system has which of the following unit cell dimensions?

Solid sodium amide, $$NaNH_2$$ has a cubic closed packed arrangement of $$N{ H }_2^-$$ ions with _____ voids occupied by $$Na^+$$ ions.

Which of the following is amorphous?

An element (atomic mass $$=100$$ g/mol) having bcc structure has unit cell edge length $$400$$ pm. The density (in g cm$$^{-3}$$) of the element is:

Average composition of ordinary glass is:

A compound $$AB$$ has a rock type structure with $$A:B =1:1$$. The formula mass of $$AB$$ is $$6.023$$ $$y^{1/3}$$ y amu and the closest $$A-B$$ distance is $$y^{1/3}$$ nm.Calculate the density of lattice.

Crystal system in which maximum number of Bravais lattices are possible is:

The maximum proportion of available volume that can be filled by hard spheres in diamond is: