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.

Question

Chemistry

Donna Benson

29 October, 18:41

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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Answers (1)

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Sanai Kline · Answer 1

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