Answer the following questions:

Questions

3 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark

What is the coordination number of atoms in simple cubic crystal lattice?

Answer

The coordination number of each sphere in simple cubic lattice is 6.

Question 21 Mark

What is the ratio of octahedral holes to the number of anions in hexagonal closed packed structure?

Answer

$1 : 1$

Question 31 Mark

Give the relation between radius of atom and edge length in body centered cubic crystal.

Answer

For fcc unit cell, radius of atom (r) $=\frac{\sqrt{2} a}{4}$

Chemistry Answer the following questions: