A given metal crystallizes out with a cubic structure having an edge length of 361 pm. If there are four metal atoms in one unit cell, the radius of one atom is:
1. 40 pm
2. 127 pm
3. 80 pm
4. 108 pm
If a is the length of the side of a cube, the distance between the body-centered atom and one corner atom in the cube will be:
1.
2.
3.
4.
A metal crystallizes with a fcc lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is:
1. 288 pm
2. 408 pm
3. 144 pm
4. 204 pm
The number of octahedral void(s) per atom present in a cubic close-packed structure is:
1. 1
2. 3
3. 2
4. 4
Copper crystallizes in a face-centered cubic lattice with a unit cell length of 361 pm. The radius of the copper atom is:
1. 128 pm
2. 157 pm
3. 181 pm
4. 108 pm
If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius in fcc crystal is:
1. 1.81 Å
2. 2.10 Å
3. 2.92 Å
4. 1.27 Å
Lithium metal crystallizes in a body-centered cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of the lithium will be:
1. 240.8 pm
2. 151.8 pm
3. 75.5 pm
4. 300.5 pm
If 'a’ stands for the edge length of the cubic systems: simple cubic, body-centered cubic, and face-centered cubic, then the ratio of radii of the spheres in these systems will be respectively:
1.
2.
3.
4.