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NaCl is an example of
Which of the following is an example of metallic crystal solid
Given, Column A Column B A. Ionic solid I. NaCl B. Metallic solid II. Fe C. Covalent solid III. C(graphite) D. Molecular solid IV. Dry ice
The number of atoms contained (i) in one body centred cubic unit cell and (ii) in one face centred cubic unit cell, is
Which of the following is non-crystalline solid
Which one of the following forms a molecular solid when solidified?
Which of the following is a pseudo solid
Which of the following is an example of covalent crystal solid
Diamond is an example of
Which of the following is an example of ionic crystal solid
Solid CO₂ is an example of
If the number of atoms per unit cell in a crystal is 2, the structure of crystal is
Among solids the highest melting point is established by
Mostly crystals show good cleavage because their atoms, ions or molecules are
Which of the following is a molecular crystal
Crystalline solid is
Amorphous solids are
A crystalline solid
In graphite, carbon atoms are joined together due to
Amorphous substances show (1) Short and long range order (2) Short range order (3) Long range order (4) Have no sharp M.P.
Particles of quartz are packed by
The two dimensional coordination number of a molecule in square close packed layer is
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
Potassium has a bcc structure with nearest neighbour distance 4.52 Å. Its atomic weight is 39. Its density will be
The number of atoms in 100 g of an FCC crystal with density d = 10 g cm –3 and cell edge as 200 pm is equal to