Iron (alpha-from) crystallises in a body...

Iron (`alpha`-from) crystallises in a body - centred cubic system with edge length 2.86 A. The density of iron is : (At.wt of Fe=56)

`"7.93 gm cm"^(-3)`

`"9.15 gm cm"^(-3)`

`"0.72 gm cm"^(-3)`

`"4.22 gm cm"^(-3)`

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