Properties and Characteristics of Sodium Metal Sodium is a soft, silvery-white, highly reactive metal. It is the sixth most abundant element on Earth and the fifth most abundant element found in the oceans. Sodium has the chemical symbol Na and atomic number 11. It is located in Group 1 and Period 2 of the periodic table. Some key properties of sodium metal include: https://logcla.com/blogs/462495/Sodium-Metal-A-Highly-Reactive-Alkali-Metal