Boron

type B type B My report is on group B. Boron is a hard, brittle semimetallic element with an atomic number of 5. Boron is in group 13 of the periodic hold over Compounds of type B, borax, establish been know since early years. Although the pure element was first wide-awake in 1808 by a Frenchmen named Joseph Gay-Lussac as well as index Louis Thenard. Boron is needed for plant growth and is authorized for chock up health in humans and separate 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 pictorial 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 score a full essay, prepare it on our website: OrderCustomPaper.com

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