Definition : An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic
number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. [MeSH];
An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic
number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. [MeSH]