Thaum kawg, boron tribromide (BBr3). BBr3 tsis ua hluav taws xob nyob rau hauv cov khoom tsis muaj molten, qhov no yog vim BBr3 muaj covalent bonding ntawm nruab nrab B atom thiab 3 ib puag ncig Br atoms.
Puas muaj fluoride ua hluav taws xob?
Fluorine, zoo li lwm yam tsis yog hlau (tshwj tsis yog graphite thiab silicon) tsis ua hluav taws xob. Nws yog lub feem ntau electronegative atom thiab yog heev reactive vim hais tias ntawm uas nws tsuas tau txais electrons thiab tsis poob lawv.
Daim ntawv cog lus dab tsi tuaj yeem ua hluav taws xob?
Kev siv hluav taws xob
Ionic compounds ua hluav taws xob thaum molten (kua) lossis hauv cov kua dej (solved hauv dej), vim tias lawv cov ions tsis pub txav los ntawm qhov chaw rau qhov chaw. Ionic tebchaw tsis tuaj yeem ua hluav taws xob thaum muaj zog, vim tias lawv cov ions nyob hauv qhov chaw ruaj khov thiab txav tsis tau.
Yuav ua li cas cov hlau puas ua hluav taws xob?
Thaum cov hlau ua hluav taws xob, tus nqi yog nqa los ntawm electrons txav mus los ntawm cov hlau. … Cov dej ntshiab muaj cov ions tsawg heev, yog li nws tsis ua hluav taws xob zoo heev. Thaum cov ntsev yaj hauv dej, cov tshuaj ua tau zoo, vim tias cov tshuaj muaj ions.
Nai puas yog tus coj hluav taws xob zoo?
Ib qho ntawm cov khoom ntawm cov hlau yog tias lawv tuaj yeem ua hluav taws xob nyob rau hauv cov khoom thiab molten. Sodium hiav txwv ntawm delocalized electrons ntawm covunipositive ions tam sim no nyob rau hauv cov qauv yog dab tsi muab nws conductivity.
