Problem- srs has a face-centered cubic unit cell in which, Ask an Expert

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Problem- SrS has a face-centered cubic unit cell in which the S^2- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is the radius of Sr^2+ if the ionic radius of S^2- is 184.0 pm and density of SrS is 3.700 g/cm^3?

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