The 8:8 type of close packing is present in
KCl
NaCl
MgF2
CsCl
The type of cubic lattice having maximum number of atoms per unit cell is
Simple cubic
Face centered cubic
Body centered cubic
All have same
The number of particles present per unit cell of a body centered cube is
4
3
1
2
In a solid AB having rock salt structure, 'A' atoms occupy the corners of the cubic unit cell. If all the face-centered atoms along one of the axes are removed, then the resultant stoichiometry of the solid is
A2B
AB2
A3B4
A4B3
In a close packed array of 'N' sphere the number of tetrahedral voids are
4N
N
2N
6N
CsBr crystal has BCC structure. Its edge length is 4.3 Ao. The shortest inter ionic distance between Cs+ and Br- ions is
1.86Ao
3.72Ao
4.3Ao
7.44Ao
The edge atom of a cube provides ______ atoms to the cell.
1/2
1/8
1/4
The existence of a substance in more than one solid modification is known as
Isomorphism
Amorphism
Polymorphism
Isotropy
The number of octahedral sites per sphere in fcc structure is
8
In cubic close packing of spheres in three dimensions,the coordination number of each sphere is
6
9
12