Question

an element has a bcc structure with unit cell edge length of 288 pm . How many unit cell & number of atoms are present in 200 g of the element???​

Answer 1

Answer:

For bcc unit cell, n = 2. ∴ Number of atoms in 200 g element is 1.16 × 1024.

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Answer 2

number of atoms in 200 gram of element

200g×2/14.44gcm ^3× (2.88×10^-8)

number of atoms in 200 gram element is

1.16 x 10^24

the number of unit cell in 200 gram element is

5.80 ×10^23