A metal has bcc structure and the edge length of its unit cell is 3.04 . The volume of the unit cell in cm3 will be
2.81 × 10-23 cm3
Volume of unit cell (V) = a3
= (3.04 × 10-8)3
= 2.81× 10-23 cm3
A fcc unit cell of aluminum contains the equivalent of how many atoms?
In octahedral holes (voids)
The number of octahedral sites per sphere in a fcc structure is
The interionic distance for cesium chloride crystal will be
For cubic coordination, the value of radius ratio is
The ratio of cationic radius of anionic radius in an ionic crystal is greater than 0.732. its coordination number is
The vacant space in the bcc unit cell is
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.
If the value of ionic radius ratio is 0.52 in an ionic compound, the geometrical arrangement of ions in crystal is
For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be