Chemical Elements History and Information Boron

About the chemical element Boron, its symbol, atomic number and weight, who discovered it and when.

The Atomic Elements and Their Uses

(Element) (Symbol) (Atomic number) (Atomic weight)

Boron B 5 10.81

Discovered by Sir Humphry Davy of England in 1808. Independently discovered by Joseph Louis Gay-Lussac working with Louis Jacques Thenard of France in 1808. Boron compounds have been used for 6,000 years. Arabs used boron as a mild antiseptic, cleanser, and water softener long before Davy, Gay-Lussac, and Thenard "discovered" it. The famous "20-mule teams" carried borax (a boron compound) out of Death Valley, Calif., and borax mining continues to scar the valley. Boron is used in the manufacture of Pyrex glass. The boric acid formerly prescribed as an eye rinse is a nerve poison, which can be fatal if swallowed.

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