Calculate the packing fraction of `Ar^(40)` (isotopic weight of `Ar = 39.96238)`.

Calculate TR and AR.

Calculate packing fraction of a face-centred cubic unit cell .

Calculate packing fraction of face-centred cubic unit cell.

Calculate the energy released in the formation of argon atom ""_(18)^(40 )Ar. Isotopic mass of Ar = 39.962384 amu (mass of proton : 1.00 783u and neutron: 1.00867 u).

Calculate TR, MR and AR.

Calculate TR, AR and MR.

Calculate TR, AR and MR :

Calculate the packing fraction in a face centred cubic structure (cubic close packing )