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A metallic crystal cystallizes into a lattice containing a sequence of layers `ABABAB…`. Any packing of spheres leaves out voids in the lattice. What percentage by volume of this lattice is empty spece?A. `74%`B. `26%`C. `50%`D. None of these |
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Answer» Correct Answer - B `ABAB`type of packing means `ccp`packing in which `74%`space is occupied and`26%`is empty. |
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