Boron's symbol is B, it is classified as a metalloid and it is a solid at room temperature. Its atomic number is 5 and its atomic weight is 10.81.Know More
Boron was discovered in 1808 by Sir Humphry Davy, Joseph L. Gay-Lussac and Louis J. Thenard. It has a melting point of 3,769 degrees Fahrenheit, and it boils at 7,101 degrees Fahrenheit. Boron is a rare element on Earth, and it is only found in compounds. It has five protons and five electrons.
As of 2015, the largest boron mine in the world is located in California. Boron is used in making glass and ceramics, and in insecticides, detergents and some cosmetics.Learn more about Atoms & Molecules
Metalloids are elements with properties of both metals and non-metals. Their ionization energies and electronegativities are between those of metals and non-metals, and their properties in chemical reactions are dependent on the other reactants.Full Answer >
Many compounds that contain boron are highly flammable, but the free element is not found in the natural world in a pure form. Most often, the element is found as the compound borax. Most boron compounds that feature hydrogen are very flammable.Full Answer >
Boron is a crucial part of cell walls in plants, and it also has many industrial applications. Boron is important for manufacturing Pyrex, a borosilicate glass, as well as glazes, cleansers and food preservatives, as stated by the Royal Society of Chemistry.Full Answer >
The element chromium is a hard, brittle metal with the symbol Cr, whose atomic number is 24. Chemist and pharmacist Nicholas Louis Vauquelin first discovered chromium in 1780.Full Answer >