MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistrySolid stateCu Ag Au
A metal crystallises into a lattice containing a sequence of layer as AB ABAB....... . What percentage of voids are left in the lattice?
A.72%
B.48%
C.26%✓ Correct
D.32%
Explanation
Co-ordination no. =12 Type of packing = hexagonal Space used = 74% Space left =100 74 26%
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