How many particles per unit cell are present in BCC structure?

How many particles per unit cell are present in BCC structure?
  1. 1
  2. 4
  3. 3
  4. 2

Solution

In BCC structure atoms are present at each corner and at body centre of unit cell. $\text { No. of atoms per unit cell }(Z)=\underbrace{8 \times \frac{1}{8}}_{\text {coner atoms }}+\underbrace{1 \times 1}_{\text {centreatoms }} =2$

Asked in: MHT CET 2021 (23 Sep Shift 2)

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