[SOLVED] how many formula units are in the unit cell shown for li2s?

How many formula units are in the unit cell shown for li2s??

Answer:

The best answer for how many formula units are in the unit cell shown for li2s

Li2S or Lithium Sulfide has an antifluorite crystal structure. This structure has FCC lattice cations filling tetrahedral holes with anions. The FCC structure contains 4 atoms per unit cell and a coordination number of 12.   

This substance easily reacts to form H2S which produces the rotten egg smell.

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