Chemistry · Solid State
An element X has a body-centred cubic (bcc) structure with a cell edge of 200 pm. The density of the element is 5 g/cm3. The number of atoms present in 300 g of the element X is: (Given: Avogadro Constant, NA = 6.0 × 1023 mol−1)
- 125 NA
- 215 NA✓
- 36 NA
- 45 NA
Correct answer
15 NA
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