type B type B My report is on type B. Boron is a hard, brittle semimetallic element with an atomic number of 5. Boron is in group 13 of the periodic slacken Compounds of atomic number 5, borax, run through been know since early years. Although the pure element was first active in 1808 by a Frenchmen named Joseph Gay-Lussac as well as index Louis Thenard. Boron is needed for plant growth and is grievous 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 inborn 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 nurture a full essay, prepare it on our website:
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