All the Salt in the Ocean, 500 Feet Deep

If you could extract all the salt (sodium chloride) dissolved in Earth's oceans, it would cover every continent in a layer nearly 500 feet deep — that's a 50-story building made of salt.

A short silent video about Sodium (Na), element 11, alkali metal. Sodium is a highly reactive alkali metal and an essential element for all animals. Table salt is sodium chloride.

More Sodium videos

Explore Sodium: facts, properties and a 3D atom · Back to the periodic table