Barium: 1. A metallic element belonging to the alkaline earths with an atomic number of 56 and an atomic weight of 137.34. The symbol for barium is Ba.
2. In medicine, refers to a chalky solution of barium used to coat the inside of organs so that they will show up on an x-ray.
See also: Barium enema; Barium swallow.
Library > Literature & Language > Dictionary ( bÃ¢r ' Ä“-É™m, bÄƒr ' - ) n. ( Symbol Ba ) A soft, silvery-white alkaline-earth metal, used to deoxidize copper and in ...
Barium (chemical symbol Ba, atomic number 56) is a soft, silvery chemical element classified as an alkaline earth metal. Given its reactivity with air, it is never found in ...
chemical properties, health and environmental effects of barium ... Atomic number. 56. Atomic mass. 137.33 g.mol-1. Electronegativity according to Pauling
Brief description: barium is a metallic element, soft, and when pure is silvery white like lead. The metal oxidises very easily and it reacts with water or alcohol.
Barium is a chemical element. with the symbol Ba and atomic number. 56. It is the fifth element in Group 2, a soft silvery metal. lic alkaline earth metal