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The edge length of unit cell of a metal ...

The edge length of unit cell of a metal having molecular weight 75 g/mol is 5 Å which crystallises in cubic lattice. If the density is `2g//cm^(3)` then, find the radius of metal atom.
`(N_(A)=6.022 xx 10^(23))`

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The correct Answer is:
2.35 Å
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