Boron yog cov khoom siv tshuaj nrog lub cim B thiab atomic tooj 5. Nyob rau hauv nws daim ntawv crystalline nws yog nkig, tsaus, ci ntsa iab metalloid; nyob rau hauv nws daim ntawv amorphous nws yog xim av hmoov.
Thaum twg yog cov ntshiab boron nrhiav tau?
Boron tau pom thawj zaug raws li lub hauv paus tshiab hauv 1808. Nws tau tshawb pom ib txhij los ntawm Askiv chemist Sir Humphry Davy thiab Fabkis chemists Joseph L. Gay-Lussac thiab Louis J. Thenard.
Puas yog boron pom ntawm nws tus kheej?
Boron tsis muaj nyob hauv cov xwm txheej hauv daim ntawv. Nws pom muaj ua ke hauv borax, boric acid, kernite, ulexite, colemanite thiab borates.
Yuav ua li cas boron?
Boron tej zaum yuav yog tus yuam sij rau kev hloov pauv ntawm lub neej hauv ntiaj teb.… Tsis zoo li ntau lub ntsiab lus, uas tsim nyob rau hauv fusion tshwm sim nyob rau hauv lub hnub qub, boron tsim tom qab lub Big Bang los ntawm ib tug txheej txheem hu ua cosmic ray spallationThaum lub sij hawm tus txheej txheem no, colliding cosmic rays phua lub nuclei ntawm atoms, ua rau. kev sib tw.
3 qhov tseeb txog boron yog dab tsi?
Zoo Boron Facts
- Ntshiab boron yog cov hmoov tsaus amorphous.
- Boron muaj qhov chaw melting siab tshaj plaws ntawm metalloids.
- Boron muaj qhov kub siab tshaj plaws ntawm cov metalloids.
- Lub boron-10 isotope yog siv los ua cov neutron absorber nyob rau hauv nuclear reactors thiab yog ib feem ntawm lub kaw lus thaum muaj xwm ceev.
