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

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23-02-2017
Chemistry

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

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taskmasters taskmasters · Answer 1 · 2017-03-07T13:57:10+01:00

taskmasters taskmasters

07-03-2017

Li2S or Lithium Sulfide has a 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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