Question

Potassium crystallizes in a body centred cubic unit cell the mass of one unit cell is

Answer 1

Answer:

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Answer 2

Answer:

The potassium cubic unit of the cell can be determined by knowing its atomic mass. The atomic mass of the potassium is 39 g.

Explanation:

• In the body centric cube there are total eight atoms which lie in the corner side and one atom at ‘center of the cube’.
• The body centric cube is defined as the collection of atoms in the corner and the ‘center of the cube’.
• The number of atom calculated at the corner and center $=8 \times \frac{1}{8}+1 \times 1=2.$
• The number of unit cell in potassium is $3.98 \times 10^{23}$ units.