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In a square close packing pattern, one a...

In a square close packing pattern, one atom is in contact with how many atom in the 2D plane base ?

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
Coordination number of square packing pattern is 4
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Close Packing In 1d And 2d

In a cubic close packed structure, fractional contributions of an atom at the corner and at the face in the unit cell are, respectively-

Three-dimensional close packing in solids is referred to as stacking the second square closed packing exactly above the first. In this tight packing, the spheres are horizontally and vertically correctly balanced. Similarly, we can obtain a simple cubic lattice by adding more layers, one above the other. This can be done in two ways. Three-dimensional close packing from two-dimensional square close-packed layers: By putting the second square closed packing exactly above the first, it is possible to form three-dimensional close packing. In this tight packing, the spheres are horizontally and vertically correctly balanced. Similarly, we can obtain a simple cubic lattice by adding more layers, one above the other.Three-dimensional close packing from two-dimensional hexagonal close-packed layers: With the assistance, of two-dimensional hexagonal packed layers, three-dimensional close packing can be obtained. The coordination number of cubic closed packing is:

Three-dimensional close packing in solids is referred to as stacking the second square closed packing exactly above the first. In this tight packing, the spheres are horizontally and vertically correctly balanced. Similarly, we can obtain a simple cubic lattice by adding more layers, one above the other. This can be done in two ways. Three-dimensional close packing from two-dimensional square close-packed layers: By putting the second square closed packing exactly above the first, it is possible to form three-dimensional close packing. In this tight packing, the spheres are horizontally and vertically correctly balanced. Similarly, we can obtain a simple cubic lattice by adding more layers, one above the other.Three-dimensional close packing from two-dimensional hexagonal close-packed layers: With the assistance, of two-dimensional hexagonal packed layers, three-dimensional close packing can be obtained. The correct statement about zns crystal is:

Knowledge Check

  • In 3D close packed structures, for every 100 atoms, it contains

    A
    50 octahedral voids
    B
    100 tetrohedral voids
    C
    200 octohedral voids
    D
    100 octahedral voids

  • How many atoms are there in pyaranose ring ?

    A
    5
    B
    3
    C
    6
    D
    7

  • In a cubic close packed structure, fractional contributions of an atom at the corner and at the face in the unit cell are, respectively-

    A
    1/8 and 1/2
    B
    1/2 and 1/4
    C
    1/4 and 1/2
    D
    1/4 and 1/8
    • RESONANCE-SOLID STATE-Part- IV
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    2. In a face centered lattice of X and Y, X atoms are present at the corn...

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    3. In a ccp structure of X atoms, Y atoms occupy all the octahedral holes...

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    4. The following diagram shows the arrangement of lattice points with a =...

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    6. Calculate the perimeter of given plane in HCP unit cell (Given that ra...

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    13. A metal (M), shows ABAB arrangement of atoms in solid state, then what...

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    14. A mineral of iron contains an oxide containing 72.36% iron by mass and...

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