Question

A Crystalline solid of a pure substance has a face centred cubic structure with a cell edge of 400 picometre if the density of the substance in the crystal is is 8 g/cm^3 then the number of atoms present in 256 gram of crystal is​

Answer 1

Answer :- A crystalline solid of a pure substance has a face-centred cubic structure with a cell edge of 400pm. If the density of the substance in the crystal is 8g cm-3, then the number of atoms present in 256g of the crystal is N × 1024. The value of N is.

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