Govt stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd colon Q solYTY002-2011
English alias colon Boron
CAS RN colon 7440-forty two-8
one interval Bodily and chemical homes colon
1 period1 Elementary image colon B
1 period2 Atomic excess weight colon ten period81 lparon 1979 intercontinental atomic fat rpar
1 period3 Melting level colon 2300 pm2 ordmC
one period4 Sublimation temperature colon 2550 ordmC
one period5 Certain gravity colon 2 period34-2 period37
one period6 Solubility colon Insoluble in drinking water comma ethanol comma ethyl ether and hydrochloric acid comma but dissolved in chilly concentrated basic resolution and decomposed H2 at the identical time period of time It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid to boric acid time period
1 period7 Qualities colon
Boron is in between metallic collection with nonmetal sequence on the periodic table of components time period As its strong electronegative comma little atomic radius comma and centralized nuclear cost comma the chemical houses of it are reactive interval It is stable in regular temperature comma but it is oXiHu (West Lake) Dis.dized when heated to 300 ordmC and burned if heated to seven-hundred ordmC period of time It is tasteless and odorless time period
Its nonmetal house is comparable to silicon time period In high temperature comma boron can respond with oxygen comma nitrogen comma sulfur comma halogen or carbon comma and so forth time period It can be merged straight with a lot of sorts of metals to form boride interval In addition comma boron can be also reacted with organic and natural compounds to synthesize some compounds comma in which boron is straight joined to carbon comma or oxygen eXiHu (West Lake) Dis.sts in between boron and carbon period of time
2 interval Technological indexes colon

3 period of time Application colon Boron has been utilised largely in metallurgy comma electronics comma drugs comma ceramics comma nuke business and chemical market and so forth comma and it has been utilised in the form of compound or as a additive in alloys interval It can be utilised in smelting of some EPT alloy steels and as the gas scavenger for the melting metal comma in the ignitor of igniton in the electrical market comma in the control rod of atomic reactor comma and as the large-vitality fuels for rocket period of time It has been as an EPTant content for producing higher-purity of halogenated boron and a uncooked material for a variety of borides period of time A lot of uncommon noble metals can be substituted and saved by it time period Boron and its compounds can be also used as the catalyst of some organic and natural chemical reactions comma etc time period
four period of time EPT instructions colon ToXiHu (West Lake) Dis.c by ingestion and inhalation time period The central anxious program is influenced by ingestion comma gastrointestinal tract is stimulated by inhalation and boron poisoning time period Eyes bear sligEPT stimulation as nicely interval Procedure need to be mounted with rubber gloves comma a respirator and eye security by wearing protecting clothes interval

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