X-ray studies show that the packing of atoms in a crystal of a metal is found to be in…
Chemistry · JEE Advanced · NTA Exams — Solid State
X-ray studies show that the packing of atoms in a crystal of a metal is found to be in layer such that starting from any layer, every fourth layer is exactly identical. The density of the metal is found to be 19.4 g cm–3 and its atomic mass is 197 u.
The fraction occupied by metal atoms in the crystal is
- 0.52
- 0.68
- 0.74
- 1.0
Answer
(C) 0.74
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