19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The structure of MgO is similar to NaCl. What would be the coordination number of magnesium.
How many chloride ions are there around sodium ion in sodium chloride crystal.
In NaCl lattice the radius ratio is Na Cl r r =
Which of the following statements is not true about NaCl structure
The unit cell of a NaCl lattice
What is the coordination number of sodium in Na2O
If the coordination number of Ca2+ in CaF2 is 8, then the coordination number of F– ion would be
In CsCl lattice the coordination number of Cl– ion is
The number of octahedral voids in a unit cell of a cubical closest packed structure is
Which one of the following forms a molecular solid when solidified?
The unit cell of a binary alloy composed of A and B metals, has ccp. Structure with A atoms occupying the corners and B atoms occupying centres of each face of the cube. If during the crystallisation of this alloy, in…
Glass is
Which one of the following is a molecular crystal?
The property of crystalline solid is not
If the number of atoms per unit cell in a crystal is 2, the structure of crystal is
In ccp arrangement the pattern of successive layers can be designated as
The number of atoms contained (i) in one body centred cubic unit cell and (ii) in one face centred cubic unit cell, is
Crystals can be classified into basic crystal habits equal to
A particular solid is very hard and has a high melting point. In solid state, it is a non-conductor and its melt is a conductor of electricity. Classify the solid.
The two dimensional coordination number of a molecule in square close packed layer is
The number of atoms or molecules contained in one body centered cubic unit cell is
The total volume of atoms present in face-centred cubic unit cell of a metal is (r is atomic radius) (a) r (b) r (c) r (d) r
An element with atomic mass 100 has a bcc structrue and edge length 400 pm. The density of element is
How many lithium atoms are present in a unit cell with edge length 3.5 Å and density 0.53 gcm –3? (Atomic mass of Li = 6.94)
A metal has bcc structure and the edge length of its unit cell is 3.04Å. The volume of the unit cell in cm will be