Malo
Nyama | |
Kaonekedwe | Black-Brown |
Gawo pa stp | Cholimba |
Malo osungunuka | 2349 k (2076 ° C, 3769 ° F) |
Malo otentha | 4200 k (3927 ° C, 7101 ° F) |
Kuchulukitsa pamene madzi (ku MP) | 2.08 g / cm3 |
Kutentha kwanyengo | 50.2 kJ / mol |
Kutentha kwa nthunzi | 508 kJ / mol |
Molar kutentha | 11.087 J / (Moel · k) |
-
Boron ufa
Boron, gawo la mankhwala ndi chizindikiro B ndi Atomiki nambala 5, ndi ufa wakuda wamorphious. Imagwira kwambiri ndikusungunuka mu nitric ndi sulfuric acids koma influble m'madzi, mowa ndi ether. Ili ndi njira yayitali ya neutro.
Urbanmins amapeza popanga ufa wokwanira wa boron wokhala ndi zigawo zazing'onoting'ono kwambiri. Tinthu tating'ono tofa tinthu tating'onoting'ono tambiri - 300 mesh, 1 microns ndi 50 ~ 80nm. Titha kupereka zinthu zambiri munthawi ya nanoscale. Maonekedwe ena amapezeka pempho.