JEE CHEMISTRY MCQ: SOLID STATE

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Copper crystallises in fcc unit cell with cell edge length of

3.608 \times {10^{ - 8}}\,cm.

The density of copper is

8.92\,g\,c{m^{ - 3}}.

Calculate the atomic mass of copper.

View answer and explanation

Correct option: B

63.1 u

Option B (63.1 u) is correct because the atomic mass is calculated using the density formula for a face-centered cubic (fcc) unit cell.

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