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24 November, 07:04

Write the formula and name of the compound formed from the following ionic interactions:

(a) The 2 + ion and the 1 - ion are both isoelectronic with the atoms of a chemically unreactive Period 4 element.

(b) The 2 + ion and the 2 - ion are both isoelectronic with the Period 3 noble gas.

(c) The 2 + ion is the smallest with a filled d subshell; the anion forms from the smallest halogen.

(d) The ions form from the largest and smallest ionizable atoms in Period 2.

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  1. 24 November, 07:22
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    a) period 4 noble gas is krypton

    isoelectronic with it are Sr ⁺² and Br⁻

    compound is SrBr₂

    b) Period 3 noble gas is Argon

    isoelectronic with it are Mg⁺² and O⁻²

    compound is MgO

    c) 2 + ion is the smallest with a filled d subshell is Zn⁺², smallest halogen

    is F⁻

    compound is ZnF₂

    d) ions from the largest and smallest ionizable atoms in Period 2

    Li⁺ and F⁻

    compound is LiF
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