For cubic - coordination the value of ratio is

For cubic - coordination the value of radius ratio is

CsCl has coordination number ratio

For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be:

For an ionic solid of the general formula AB and coordination number 6, the value of ther radius ratio will be:

For an ionic solid of the genral formula AB and coordination number 6 , the value of the radius ratio will be

What is meant by the term "coordination number"? b. What is the coordination number of atoms: i. in a cubic closed-packed structure? ii. In a body-centred cubic structure?