Boron


Нажми чтобы узнать.
скачати

Boron Essay, Research Paper

The atomic mass of Boron is 10.811 amu. The atomic number is five. Sir Humphry Davy, J.L Gay-Lussac discovered Boron in 1808. Boron?s name originated from borax and carbon. The natural state of Boron is Ulexite, Colemanite, and Kernite. The melting point of Boron is 2300.0C. The boiling point of boron is 2550.oC. Boron is in a group called Metalloid. Its crystal structure is a rhombohedral. Boron is brownish. It has a density of 2.34 grams/cm3. There are five electrons and protons in Boron. Also there are six neutrons.

Boron is used in pyrotechnic flares and rockets. It is also used as a mild antiseptic. Another use of Moron is it is a cleanser in flux in welding. It is also a water softener in washing powders. Boron filaments are used in fibre optics research. Boron compounds are used in production of enamels for covering steel of refrigerators and washing machines. The hydrides in Boron are sometimes used as rocket fuel. Boric acid is also used in North America for the control of cockroaches, silverfish, ants, fleas, and other insects. It is used in making glass and ceramics. It?s also used in fertilizers, paper, and paints.

Додати в блог або на сайт

Цей текст може містити помилки.

A Free essays | Essay
2.3кб. | download | скачати

© Усі права захищені
написати до нас
Рейтинг@Mail.ru