Solid State Tes...

Ammonium chloride crystallizes in a body centred cubic lattice with edge length of unit cell of $$390$$ pm. If the size of chloride ion is $$180$$ pm, the size of ammonium ion would be:

Choose the correct statements.

Which of the following sets of axial angles and axial lengths represent the maximum number in Bravais lattices?

If $$R$$ is the radius of the sphere in the close packed arrangement and $$r$$ is the radius of the tetrahedral void then : 

Which one is called pseudo solid?

If oxidation states of A , B  and C respectively are $$+2, +3$$ and $$-2$$ then the possible formula of the compound is

The density of $$Ca{F_2}$$ (fluorine structure) is $$3.18$$g /$${cm^{3}}$$. The length of the side of the unit cell is:

In a solid lattice, the cation has left a lattice site and is located at interstitial position, the lattice defect is ____

The number of octahedral voids present in 234 g of NaCl is:

Metallic or non-stoichiometric (or interstitial) hydrides are formed by: