## Question

### Solution

Correct option is

32%

In bcc structure 68% of the available volume is occupied by sphere. Thus, vacant space is 32%

#### SIMILAR QUESTIONS

Q1

The ratio of close packed atoms to tetrahedral holes in cubic close packing is

Q2

The number of atoms/molecules contained in one face centred cubic unit cell of a monoatomic substance is

Q3

In a face centred cubic cell, an atom at the face contributes to the unit cell

Q4

A fcc unit cell of aluminum contains the equivalent of how many atoms?

Q5

In octahedral holes (voids)

Q6

The number of octahedral sites per sphere in a fcc structure is

Q7

The interionic distance for cesium chloride crystal will be

Q8

For cubic coordination, the value of radius ratio is

Q9

The ratio of cationic radius of anionic radius in an ionic crystal is greater than 0.732. its coordination number is

Q10

Calculate the ionic radius of a Cs+ ion, assuming that the cell edge length for CsCl is 0.4123 nm and that the ionic radius of a Cl- ion 0.181 nm.