type B group B My report is on vitamin B. Boron is a hard, brittle semimetallic element with an atomic number of 5. Boron is in group 13 of the periodic gameboard Compounds of vitamin B, borax, perk up been know since early years. Although the pure element was first nimble in 1808 by a Frenchmen named Joseph Gay-Lussac as well as index Louis Thenard. Boron is needed for plant growth and is all-important(a) for chock up health in humans and new(prenominal) vertebrates. The atomic pitch of boron is 10.81. It melts at about 3956oF and boils at about 6602oF. It has a specific gravity of 2.35.
The original sources of boron compounds were the minerals borax and boric acid. Boron ranks about 38th in essential abundance among the elements in the earths crust. Although boron has a valence of 3 and its position in the periodic table would indicate a close relationship to aluminum. Borax is used in cleaning compounds, field glass and ceramics, fertilizers, paper and paints, a...If you want to prevail a full essay, prepare it on our website:
OrderCustomPaper.comIf you want to get a full essay, visit our page:
write my paper
No comments:
Post a Comment