type B atomic number 5 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 put over Compounds of barn, borax, slang been know since early years. Although the pure element was first alert in 1808 by a Frenchmen named Joseph Gay-Lussac as well as index Louis Thenard. Boron is needed for plant growth and is great 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 subjective 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 repair a full essay, prepare it on our website:
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