A metallic element has a cubic lattice. Each edge of the unif cell is `2A^(@)`. The density of the metal is `2.5gcm^(-3)`. The unif cells in 200g of metal areA. `1xx10^(24)`B. `1xx10^(20)`C. `1xx10^(22)`D. `1xx10^(25)`

A metallic element has a cubic lattice. Each edge of the unif cell is

1.	A metallic element has a cubic lattice. Each edge of the unif cell is `2A^(@)`. The density of the metal is `2.5gcm^(-3)`. The unif cells in 200g of metal areA. `1xx10^(24)`B. `1xx10^(20)`C. `1xx10^(22)`D. `1xx10^(25)`
Answer» Correct Answer - 4 `v=a^(3)=8xx10^(-24)c c` mass of 1 unit cell =`vxxd=8xx10^(-24)xx2.5` no. of unit cells in 200 grams of metal `=(200)/(8xx10^(-24)xx2.5)=1xx10^(25)`

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A metallic element has a cubic lattice. Each edge of the unif cell is `2A^(@)`. The density of the metal is `2.5gcm^(-3)`. The unif cells in 200g of metal areA. `1xx10^(24)`B. `1xx10^(20)`C. `1xx10^(22)`D. `1xx10^(25)`

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