Which of the following in a hydrogen bonded molecular solid?

A corner particle contributes its _______ part to the given unit cell.

The coordination number of each sphere in a close packed one dimensional structure is ______.

The packing efficiency in simple public unit cell is ______ .

Statement 1: NaNO3 and CaO3 are isomorphous pairs.

Statement 2 : They have the same atomic ratios of the constituent atoms.

Statement 3 : They have different crystal structures. 

Select the appropriate option.

There are _____ kinds of unit cells in rhombohedral and orthorhombic crystal systems respectively.

Silicon is a _____ as it conducts electricity better than _____but not as efficient as ________.

Which among the following solids is a non-polar solid?

Suppose the mass of a single Ag atom is ‘m’. Ag metal crystallises in fcc lattice with unit cell of length ‘a’ . The density of Ag metal in terms of ‘a’ and ‘m’ is _____.

Lithium has a bcc structure. Its density is 530 kg m-3 and its atomic mass is 6.94g mol-1. Calculate the edge length of a unit cell of lithium metal. (No = 6.02 ✕ 10⌃23 mol-1)

Sodium metal crystallises in a body-centred cubic lattice with a unit cell edge of 4.29Å.  The radius of sodium atom is approximately _____.

In face-centred cubic unit cell, what is the volume occupied?

The number of atoms in 2.4 g of body-centred cubic crystal with edge length 200 pm is _____. (density = 10 g cm^{−3  ,} NA = 6 x 10²³ atoms/mol)

Select a ferromagnetic material from the following.

Volume occupied by single CsCl ion pair in a crystal is 7.014 x 10^-23 cm³. The smallest Cs – Cs internuclear distance is equal to length of the side of the cube corresponding to volume of one CsCl ion pair. The smallest Cs to Cs internuclear distance is nearly _____.

A crystalline solid XY3 has ccp arrangement for its element Y. X occupies_____.

A compound is formed by elements ‘X’ (cations) and ‘Y’ (anions). Ions of ‘Y’ from cubic close parking (ccp) and ions of ‘X’ occupy all the octahedral voids. What is the molecular formula of the compound?

Element ‘B’ forms ccp structure and ‘A’ occupies half of the octahedral voids, while oxygen atoms occupy all the tetrahedral voids. The structure of bimetallic oxide is _______.

Which type of ‘defect’ has the presence of cations in the interstitial sites?

Identify p-type semiconductor.

An element with atomic radius of 0.14 nm crystallises in fcc unit cell. The length of the side of the unit cell is approximately ______.

Na and Mg crystallize in bcc and fcc type crystals respectively, then the number of atoms of Na and Mg present in the unit cell of their respective crystal is _______.

In a face-centred cubic cell, an atom at the face contributes is ______ to the unit cell.

Which of the following statements is TRUE?