Bear1

Imikhiqizo

I-boron
Ukubonakala Black-Brown
Isigaba e-STP -Jiyile
Iphuzu elincibilikayo 2349 K (2076 ° C, 3769 ° F)
Iphuzu elibilayo I-4200 k (3927 ° C, 7101 ° F)
Ubuningi lapho uketshezi (ku-MP) I-2.08 g / cm3
Ukushisa kwe-fusion 50.2 KJ / Mol
Ukushisa kwe-vaporization 508 KJ / Mol
Umthamo wokushisa we-molar 11.087 J / (Mol · k)
  • Boron powder

    Boron powder

    I-Boron, into yamakhemikhali enophawu B ne-Atomic Inombolo 5, ingumpuphu omnyama oqinile / onsundu. Isebenza kakhulu futhi incibilikisa kakhulu kuma-nitric ama-nitric kanye nama-sulfuric acid kepha insoluble emanzini, utshwala ne-ether. Inomthamo omkhulu wokutholwa kwe-neutro.
    I-Urbanmine ibheka ukukhiqiza i-boron powder ephezulu ngosayizi omncane kakhulu wokusanhlamvu ongenzeka. I-powder yethu ejwayelekile yezinhlayiyana ngobukhulu obuphakathi obuphakathi - ama-mesh angama-300, ama-microns ayi-1 no-50 ~ 80nm. Futhi singahlinzeka ngezinto eziningi eziku-Nanoscale Range. Amanye amajamo atholakala ngesicelo.