1) Potassium Chloride
Chemical formula

KCl

Explanation:

Potassium chloride is an ionic compound and is a salt with a powdery and crystalline appearance that naturally occurs as a solid. KCl is the chemical formula: it is made up of one ion of potassium (K+) and one ion of chlorine (Cl-).

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every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.