Gold (atomic radius = 0.144 nm) crystallises in a face-centred unit cell. What is the length of a side of the cell?
prasanjeet kumar , 11 Years ago
Grade 8
1 Answers
Gaurav
Last Activity: 10 Years ago
it is given that Radius of atom R= 0.144 nm For a face–centered unit cell Edge a = 2√2 R Plug the values we get Edge a= 0.144 x 2 x 1,414 nm Edge a= 0.407 nm Solution: :– The length of a side of the cell = 0.407 nm
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