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If the radii of Mg^(2+), Cs^(o+), O^(2-)...

If the radii of `Mg^(2+), Cs^(o+), O^(2-), S^(2-)`, and `CI^(Θ)` ions are `0.65, 1.69, 1.40, 1.84`, and `1.81 Å`, respectively, calculate the coordination number of the cation in the crystals of `MgS, MgO`, and `C_(s)CI`.

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To solve the problem of determining the coordination number of the cations in the crystals of MgS, MgO, and CsCl based on the given ionic radii, we will follow these steps: ### Step 1: Identify the ionic radii We have the following ionic radii: - Radius of Mg²⁺ = 0.65 Å - Radius of Cs⁺ = 1.69 Å - Radius of O²⁻ = 1.40 Å - Radius of S²⁻ = 1.84 Å ...
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