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  • A cubic unit cell has atoms located at each corner and one atom at the centre of the cube. What is the total number of atoms present in the unit cell?Option: 1

A cubic unit cell has atoms located at each corner and one atom at the centre of the cube. What is the total number of atoms present in the unit cell?

Option: 1

1


Option: 2

2


Option: 3

4


Option: 4

5


Answers (1)

best_answer

The given unit cell has atoms located at each of the eight corners and one atom at the centre of the cube. Each corner atom is shared among eight adjacent unit cells, while the central atom is present only in the given unit cell. Therefore, the total number of atoms present in the unit cell is given by:

\\\textup{Number of atoms = ( Number of corner atoms ) / 8 + Number of central atoms}\\ =8 / 8+1\\=1+1\\=2+2\\=4

Posted by

Ajit Kumar Dubey

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