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A compound AB2 possesses the CaF2 type c...

A compound `AB_2` possesses the `CaF_2` type crystal structure. Write the coordination number of `A^(2+)` and `B^(-)` ions in its crystals.

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To determine the coordination numbers of the ions in the compound \( AB_2 \) with a \( CaF_2 \) type crystal structure, we can follow these steps: ### Step 1: Identify the ions and their charges In the compound \( AB_2 \): - \( A \) represents the cation with a charge of \( +2 \) (i.e., \( A^{2+} \)). - \( B \) represents the anion with a charge of \( -1 \) (i.e., \( B^{-} \)). ### Step 2: Understand the crystal structure ...
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