The charged species carrying the positive and the negative charges are called ions. The ionic compounds formed will be NaCl, Na₂SO₄, MgCl₂, and MgSO₄.
<h3>What are ionic compounds?</h3>
Ionic compounds are the substances formed by the interaction and the bond formation between the ions of the opposite charges. A cation of the ion loses an electron to the anion.
The crisscross method is used to determine the ionic compounds from the respective ions. In Na⁺ and Cl⁻, both have charge of one that got canceled to form NaCl.
In Na⁺ and SO₄²⁻, the charges of the ions are crossed to form Na₂SO₄. With ions Mg²⁺ and Cl⁻ the +2 charge of magnesium crosses with chloride ion to form, MgCl₂. Similarly, Mg²⁺ and SO₄²⁻ cross their charges to form MgSO₄.
Therefore, the ionic compounds formed are NaCl, Na₂SO₄, MgCl₂, and MgSO₄.
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