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potassium - Properties, occurrence, and uses

How abundant is potassium in Earth’s crust?

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A periodic table element box for potassium shows atomic number 19, symbol K, atomic weight 39.0983, electron configuration [Ar]4s1, and name potassium. Icons indicate it is an alkali metal, solid at room temperature, body-centered cubic crystal structure, and has strongly basic higher-valence oxides. A key explains the symbols for alkali metals, solid state, body-centered cubic structure, and strong basicity. — potassium Properties of potassium.

Potassium is the seventh most abundant element in Earth’s crust, where it constitutes 2.6 percent of the crust's total mass.1