Question

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

Solution

Correct option is

1:2

 

Every constituent has two tetrahedral voids. In ccp lattice

atom =      

 ∴ tetrahedral voids = 4 × 2 = 8

Thus, ratio = 4: 8 = 1: 2

SIMILAR QUESTIONS

Q1

Under which category iodine crystals are placed among the following?

Q2

Which of the following is non – crystalline solid?

Q3

In face centred cubic unit cell edge length is

Q4

An example of a substance possessing giant covalent structure is

Q5

The edge of unit cell of fcc Xe crystal is 620 pm. The radius of Xe atom is

Q6

Which type of solid crystals will conduct heat and electricity?

Q7

The constituent particles of a solid have

Q8

Which among the following will show anisotropy?

Q9

Potassium crystallizes in a bcc lattice, hence the coordination number of potassium metal is

Q10

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