A metal crystallises into a lattice containing a sequence of layers of – InterviewSolution

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1.	A metal crystallises into a lattice containing a sequence of layers of atoms of AB AB AB "………". What is the percentage by volume of this lattice having empty space ?
Answer» 74 26 20 16 Solution :AB AB AB `"……………"` is hcp arrangement in which space occupied is 74% `:.` EMPTY space = 26%.

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