Solid State

Section: Chemistry

Question : 6 of 16

Marks: +1, -0

Gold crystallises in fcc lattice. The edge length of the unit cell is 4Å. The closest distance between gold atoms is ' x ' Å and density of gold is ' y ' gcm−3. What are x and y respectively?
(. Molar mass of gold =197gmol−1;N=6×1023mol−1)

[AP EAPCET 21 May 2025 S1]

√2,41.04
2√2,20.52
2√3,10.25
√3,5.15

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