Question

The number of ions in the unit cell of CsCl crystal is
(A) 1
(B) 2
(C) 3
(D) 4​

Answer 1

The number of ions in the unit cell of the CsCl crystal is (B) 2.

Cubic unit cell:

• When all angles are exactly 90 degrees, all lengths are identical, and each axis is designated by a Cartesian coordinate, the cubic unit cell is the smallest repeating unit (x,y,z).
• Eight atoms are located at each corner of each cubic cell, and eight other cells share each atom.
• Seven different types of unit cells can be constructed.
• These come in the shapes of cubes, tetrahedrons, orthorhombic prisms, hexagons, rhombic prisms, trigons, and triclinics.

The unit cell of CsCl:

• A cubic unit cell exists in CsCl.
• At first appearance, you could assume that it is body-centered, but this assumption would only hold true if the atoms in the body's center and on each cell's corner were of the same type.

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Answer 2

The variety of ions withinside the unit cell of the CsCl crystal is (B) 2.

Cubic unit cell:

• When all angles are precisely ninety degrees, all lengths are identical, and every axis is distinctive with the aid of using a Cartesian coordinate, the cubic unit cell is the smallest repeating unit (x,y,z).
• Eight atoms are placed at every nook of every cubic cell, and 8 different cells proportion every atom.
• Seven one-of-a-kind styles of unit cells may be constructed.
• These come withinside the shapes of cubes, tetrahedrons, orthorhombic prisms, hexagons, rhombic prisms, trigons, and triclinic.

The unit cell of CsCl:

• A cubic unit cell exists in CsCl.
• At first appearance, you can anticipate that it's far body-centered, however, this assumption could simplest be kept if the atoms withinside the body's middle and on every cell's nook had been of the equal type.

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