WebBorax - Mindat.org - Mines, Minerals and More WebBorax (also referred to as sodium borate, tincal / ˈtɪŋkəl / and tincar / ˈtɪŋkər /) is a salt ( ionic compound), a hydrated or anhydrous borate of sodium, with the chemical formula Na 2 H 20 B 4 O 17. [1] It is a colorless …
Properties of Borax - Infinity Learn
WebWhen a Borax specimen loses water, it alter s into a new mineral called Tincalconite, which contains the same elements as Borax but has half the water, and crystallize s in a different crystal system. Borax AUCTIONS … WebSep 27, 2024 · closed Sep 30, 2024 by UrmillaSahu. The crystalline form of borax has. A. tetrabnuclear [B4O5(OH)4]2− [ B 4 O 5 ( O H) 4] 2 - unit. B. all boron atoms in the same plane. C. equal number of sp2 s p 2 and sp3 s p 3 hybridized boron atoms. D. one terminal hydroxide per boron atom. browns vs eagles live stream
Borax - Wikipedia
Borax "pentahydrate" has the formula Na2B4O7·5H2O, which is actually a trihydrate Na2B4O5(OH)4·3H2O It is a colorless solid with a density is 1.880 kg/m 3 that crystallizes from water solutions above 60.8 °C in the rhombohedral crystal system. It occurs naturally as the mineral tinkhanite. [17] See more Borax is a salt (ionic compound), a hydrated or anhydrous borate of sodium, with the chemical formula Na2H20B4O17. It is a colorless crystalline solid, that dissolves in water to make a basic solution. It is commonly … See more From the chemical perspective, borax contains the [B4O5(OH)4] ion. In this structure, there are two four-coordinate boron centers and … See more Borax occurs naturally in evaporite deposits produced by the repeated evaporation of seasonal lakes. The most commercially important deposits … See more According to one study, borax is not acutely toxic. Its LD50 (median lethal dose) score is tested at 2.66 g/kg in rats, meaning that a significant dose of the chemical is needed to cause severe symptoms or death. The lethal dose is not necessarily the … See more Borax was first discovered in dry lake beds in Tibet. Native tincal from Tibet, Persia, and other parts of Asia was traded via the Silk Road to the Arabian Peninsula in the 8th century AD. See more The English word borax is Latinized: the Middle English form was boras, from Old French boras, bourras. That may have been from Medieval Latin baurach (another English spelling), borac(-/um/em), borax, along with Spanish borrax (> borraj) and Italian borrace, … See more Borax is used in control solutions because it is toxic to ants. Because it is slow-acting, worker ants will carry the borax to their nests and poison … See more WebJan 31, 2024 · The crystalline borax has formula. Na 2 B 4 O 7 . 10H 2 O or Na 2 [B 4 O 5 (OH) 4].8H 2 O. http://webmineral.com/data/Borax.shtml every upper moon