Los elementos: el potasio

Potassium is a reactive element that oxidizes quickly in air and reacts violently with water, producing hydrogen gas and potassium hydroxide. Despite its reactivity, potassium is vital for life, supporting muscle, kidney, heart, and digestive health. It is also crucial for plant growth and is abundant in the earth's crust.

What happens when potassium comes into contact with water?

• It forms a stable compound.

• It reacts violently, producing hydrogen gas.

• It dissolves without any reaction.

• It turns into a solid.

Which color flame is produced when hydrogen gas from potassium burns?

• Lilac

• Blue

• Red

• Green

How do potassium compounds benefit the human body?

• They are used for energy storage.

• They help maintain healthy muscles and organs.

• They provide structural support to bones.

• They are primarily used for detoxification.

In what way is potassium crucial for plants?

• It is essential for plant growth.

• It acts as a pesticide.

• It helps in photosynthesis.

• It provides color to flowers.

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

• 5.0%

• 1.5%

• 3.0%

• 0.5%