Boron was discovered in 1808. French chemists Joseph-Louis Gay-Lussac and Louis-Jaques Thénard and English chemist Sir Humphry Davy independently isolated the element, and all three are credited with its discovery.Know More
Boron was discovered by combining potassium and boric acid. Its name comes from the Persian word "Burah" and the Arabic word "Buraq," both of which mean 'borax." When heated, boron gives off a green color, making it a desirable element for pyrotechnics. The compound borax is a common ingredient in laundry detergents and antiseptics.
Boron has an atomic number of five, atomic weight of 10.811 and atomic symbol of B. In its standard state, it is a solid that is classified as a semi-metal.Learn more about Chemistry
Boron is not a metal, but it is a metalloid. Metalloids share characteristics similar to both metals and non-metals. Like a metal, boron is a solid with a metallic luster and high tensile strength. Like a non-metal, boron has a low density and forms covalent bonds with other non-metals.Full Answer >
Pure boron does not occur naturally on Earth but can be found in some volcanic spring waters in the form of orthoboric acid. It is also present in borates found in mines in Turkey, Chile and Russia.Full Answer >
No one knows exactly where or when lead was discovered. What is known is that by Roman times, lead was being widely used, so scientists to believe it has been around for thousands of years.Full Answer >
It is difficult to determine the exact location of the discovery of silver because it has been used since ancient times. Although the origins of silver are unclear, Archaeological finds do show that it has been used by people to craft decorative items, silverware and jewelry for around 5,000 years.Full Answer >