The number of Vanadium atoms present in its unit cell of crystal lattice has to be calculated. Concept Introduction: In packing of atoms in a crystal structure, the atoms are imagined as spheres. The two major types of close packing of the spheres in the crystal are – hexagonal close packing and cubic close packing. Cubic close packing forms two types of lattices – body – centered lattice and face – centered lattice. In a body – centered cubic cell atoms are arranged in all the eight vertices of the unit cell with one atom per vertex. Further one atom occupies the center of the cube .

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Chapter 12, Problem 12.30QP

Interpretation Introduction

Interpretation:

The number of Vanadium atoms present in its unit cell of crystal lattice has to be calculated.

Concept Introduction:

In packing of atoms in a crystal structure, the atoms are imagined as spheres. The two major types of close packing of the spheres in the crystal are – hexagonal close packing and cubic close packing. Cubic close packing forms two types of lattices – body – centered lattice and face – centered lattice.

In a body – centered cubic cell atoms are arranged in all the eight vertices of the unit cell with one atom per vertex. Further one atom occupies the center of the cube.

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