The effective radius of an iron atom is 1.42 Å . It has rock salt like structure. Calculate its density ( Fe = 56 amu)

The effective radius of an iron atom is 1.42 Å . It has rock salt lik

1.	The effective radius of an iron atom is 1.42 Å . It has rock salt like structure. Calculate its density ( Fe = 56 amu)
Answer» Correct Answer - `2.16 " g cm"^(-3)` Rock salt type structure means fcc for which ` r= a/(2sqrt2) = 0.3535 a or a = r/0.3535 or a = r/ 0.3535 = ( 142"pm")/0.3535 = 401 . 7 "pm"` For fcc , Z = 4

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The effective radius of an iron atom is 1.42 Å . It has rock salt like structure. Calculate its density ( Fe = 56 amu)

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