Question

atom B forms HCP and A occupy 2/3 rd of tetrahedral void .what is formula​

Answer 1

• Atoms of elements B from hep lattice and those of element A occupy two-thirds of tetrahedral voids. What is the formula of the compound formed by elements A and B? Since the numberof tetrahedral voids is double the number of atoms in close packed arrangement.
• ∴ Number of atoms of A in hcp lattice=2n×2/3=4n/3.

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Answer 2

$A trivalent cation of metal (x) combines with sulphite ion .Write the formula of compound. Plz give correct answer .$

atom B forms HCP and A occupy 2/3 rd of tetrahedral void .what is formula