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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar
see shristy
its option D 8 CN
but sir in CaF2 the CN no. is 8:4
Ca2+ is surrounded by 8 F- atom so CN 8 in caf2
Thn sir Be2C3 me opposite arrangement hoga ??CaF2 se ??
shristy caf2 jaisa structure correlate kiya hai but no of atoms same nhi hai or na hi size of atoms
ok sir