JEE CHEMISTRY MCQ: SOLID STATE

1 Hard

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Application +4 | -1

A metallic element exists as simple cubic lattice. Each edge of the unit cell is 3Å. The density of the metal is

9 \mathrm{~g} \mathrm{~cm}^{-3}

. How many number of unit cells will be present in

100 \mathrm{~g}

of the metal :-

View answer and explanation

Correct option: B

4.12 \times 10^{23}

Option B (

4.12 \times 10^{23}

) is correct because it correctly calculates the number of unit cells using the density, edge length, and the fact that it's a simple cubic lattice.

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