The Elements: Potassium

Potassium is a reactive element that oxidizes in air and reacts explosively with water, producing hydrogen gas and potassium hydroxide. Despite its reactivity, potassium is vital for life, supporting muscle, kidney, and heart health, and is crucial for plant growth. It is abundant in the Earth's crust, making it the seventh most common element.

What role do potassium compounds play in plant growth?

What percentage of the Earth's crust is made up of potassium?