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Question
A metallic element crystallizes into a lattice containing a sequence of layers of AB AB AB....Any packing of spheres leaves out voids in the lattice. The empty space in percentage by volume in this lattice is:
A metallic element crystallizes into a lattice containing a sequence of layers of AB AB AB....Any packing of spheres leaves out voids in the lattice. The empty space in percentage by volume in this lattice is:
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Solution
The correct option is A 26%
AB AB type close packing is actually Hexagonal close packing. In HCP, the space occupied by atoms is 74% and empty space due to voids is 26%.
AB AB type close packing is actually Hexagonal close packing. In HCP, the space occupied by atoms is 74% and empty space due to voids is 26%.
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