What is the Atomic Mass of Barium? Find the Answer to This Question and Access a Vast Question Bank That Is Customized for the Student.

The average mass of an element’s atoms is measured in atomic mass units (amu).

The given element is barium, and the symbol of the element is Ba.

Atomic number:-56.

The atomic mass of barium is 137.327 u.

Barium is present in the IIA group of the periodic table.At room temperature, it is classified as an alkaline earth metal, which is a solid.