Show Elements
ID 9
Symbol Ba
Name Barium
Density (g/cm<sup>3</sup>) 3.51
Atomic Number 56
Molecular Weight 137
Melting Point (K) 1000
Boiling Point (K) 2143
Specific Heat Capacity (J/kg K) 205
Electro Negativity 0.89
Curie temperature (K)
Bohr Magneton (J/T)
Magnetization Saturation (MA m<sup>-1</sup>)
Crystal Structure ​Body-centered cubic (bcc)
Appearance Silvery gray
Element category Alkaline earth metal
Magnetic ordering Paramagnetic
Discovery Carl Wilhelm Scheele (1772)
General Information Barium is an active metal. It combines easily with oxygen, the halogens, and other non-metals. The halogens are Group 17 of the periodic table and include fluorine, chlorine, bromine, iodine, and astatine. Barium also reacts with water and most acids.
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