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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Assertion: In close packing of spheres, atetrahedral void is surrounded by four spheres whereas an octahedral void is surrounded by six spheres. Reason : A tetrahedral void has a tetrahedral shape whereas an octahedral void has an octahedral shape.

Assertion: In close packing of spheres, atetrahedral void is surrounded by four spheres whereas an octahedral void is surrounded by six spheres. Reason : A tetrahedral void has a tetrahedral shape whereas an octahedral void has an octahedral shape.

Assertion : In close packing of spheres In A^+ B^- ionic compound radii of A^+ and B^- ions are 180 pm and 187 pm respectively. The crystal structure of this compound will be