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An element 'X' having atomic mass 60 has...

An element 'X' having atomic mass 60 has density 6.23 `"g/cm"^2`. The edge length of its cubic unit cell is 400 pm. `(N_A = 6.023 xx 10^(23) "mol"^(-1))`
What is this type of unit cell known as?

A

Body centred cubic

B

Face centred cubic

C

Simple cubic

D

Side centred cubic

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