|Melting Point ( °C )||720' C or 1341' F|
|Boiling Point ( °C )||1897' C or 3447' F|
|Density (g/cm3)||3.62 grams per cubic centimeter|
|Earth crust (%)|
|Electron configuration||Xe 6s2|
|Ionization energy (eV)||502.7 kJ.mol -1|
Barium "Ba" was discovered in England in 1808 by Sir Humphry Davy. It has an Atomic # of 56 and its electron confirguration is Xe 6s2. Its melting point is at 1000k (727' C or 1341' F) and its boiling point is at 2170k (1897’ C or 3447’ F ). Is Solid at room temperature. Its major industrial use is in drilling fluid and its major medical use is in a medical cocktail. Barium is never found free in nature because it reacts with oxygen in the air.
Sir Humphry Davy in 1808
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