Gold (atomic mass 197 u) crystallises in a face-centred unit cell. What is its atomic radius if the edge length of the gold unit cell is 0.407 x 10-9m?

Gold (atomic mass 197 u) crystallises in a face-centred unit cell. Wha

1.	Gold (atomic mass 197 u) crystallises in a face-centred unit cell. What is its atomic radius if the edge length of the gold unit cell is 0.407 x 10-9m?
A.	0.115 nm
B.	0.144 nm
C.	0.235 nm
D.	0.156 nm
Answer» C. 0.235 nm

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Gold (atomic mass 197 u) crystallises in a face-centred unit cell. What is its atomic radius if the edge length of the gold unit cell is 0.407 x 10-9m?

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