Sodium

What is Sodium?

Sodium is a special kind of chemical element. It has the symbol Na and the atomic number 11. Sodium is a soft, shiny, silvery-white metal. It is very reactive and belongs to a group called alkali metals.

Where Do We Find Sodium?

Sodium is the sixth most common element in the Earth's crust. It is found in many minerals such as feldspars, sodalite, and halite. Sodium does not exist freely in nature; it must be made from compounds. It was first made in 1807 by Humphry Davy using a process called electrolysis.

Why is Sodium Important?

Sodium is very important for many things. We use it to make edible salt, which helps keep us healthy. Sodium also helps control the balance of fluids in our bodies and is important for nerve cells to send signals. It works with potassium to keep our bodies working properly.

Fun Facts About Sodium

Sodium is used to make many everyday things, like soap and glass. When sodium is burned, it makes a bright yellow flame. This yellow glow helps scientists study sodium in stars and other space objects. Sodium is also found in the oceans, with about 10.8 grams of sodium in every liter of seawater.