Barium is the fifth element in Group 2 of the periodic table, the alkaline earth elements. Its atomic number is 56, its atomic mass is 137.34, and its chemical symbol is Ba.
Barium is a metal element with an atomic number of 56. It has an atomic symbol of Ba, and its atomic weight is 137.327. Like other metals, barium is a good conductor of heat and electricity. It...
Group 2 (Iia) Alkaline Earth Metal Pronunciation
Barium was first isolated in 1808 by English chemist Sir Humphry Davy ...