19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Solid CO₂ is an example of
Which of the following is an example of metallic crystal solid
In A+ B– ionic compound, radii of A+and B– ions are 180 pm and 187 pm respectively. The crystal structure of this compound will be
Crystals can be classified into basic crystal habits equal to
Packing efficiency of simple cubic lattice is …A… Here, A refers to
Diamond is an example of
Which of the following is an example of covalent crystal solid
Which of the following is an example of ionic crystal solid
In graphite, carbon atoms are joined together due to
Which of the following is a molecular crystal
In a solid lattice the cation has left a lattice site and is located at an interstitial position, the lattice defect is
Particles of quartz are packed by
Which one of the following forms a molecular solid when solidified?
A crystalline solid
Schottky defect in crystals is observed when
Crystalline solid is
Mostly crystals show good cleavage because their atoms, ions or molecules are
Amorphous solids are
A compound of ‘A’ and ‘B’ crystallizes in a cubic lattice in which the ‘A’ atoms occupy the lattice points at the corners of the cube. The ‘B’ atoms occupy the centre of each face of the cube. The probable empirical f…
Among solids the highest melting point is established by
Which of the following is non-crystalline solid
In a face centred cubic arrangement of A and B atoms when A atoms are at the corner of the unit cell and B atoms of the face centres. One of the A atom is missing from one corner in unit cell. The simplest formula of …
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)
An element with atomic mass 100 has a bcc structrue and edge length 400 pm. The density of element is
A solid AB has NaCl structure. If the radius of cation A+ is 170 pm. Calculate the maximum possible radius of the anion B (WB JEE 2013)