What is the formula of the unit cell

Reference no: EM13689261

Question- A crystal lattice has copper at all the corner positions and nickel at all the edge positions in a unit cell. What is the formula of the unit cell?
A. Cu1Ni4
B. Cu1Ni8
C. Cu2Ni4
D. Cu2Ni8

I just need a general explanation of it please- Thanks

Reference no: EM13689261

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