ʻO ka pauka ʻulaʻula amorphous, lilo i ʻeleʻele i ke kū ʻana a me ka crystalline i ka wela; Hiki ke hoʻomākaukau ʻia nā ʻano vitreous a me colloidal.
Hoʻopalupalu ke ʻano Amorphous ma 40 °C a hoʻoheheʻe ʻia ma 217 °C. ʻAʻole hiki ke loaʻa ma kona kūlana elemental ma ke ʻano, a i ʻole ma ke ʻano he ʻano huila maʻemaʻe.
hōʻailona: | Se |
CAS | 7782-49-2 |
Helu ʻAtoma: | 34 |
Kaumaha ʻAtoma: | 78.96 |
ʻO ka mānoanoa: | 4.79 gm/cc |
Lae hehee: | 217 oC |
Lae paila: | 684.9 oC |
ʻO ka wela wela: | 0.00519 W/cm/K @ 298.2 K |
Ke kū'ē uila: | 106 microhm-cm @ 0 oC |
Electronegativity: | 2.4 Paulings |
Wela Kūikawā: | 0.767 Cal/g/K @ 25 oC |
Wela o ka mahu: | 3.34 K-cal/gm atom ma 684.9 oC |
Wela o ka hui ʻana: | 1.22 Cal/gm mole |
Brand | Epoch-Chem |
1 Hana ʻia: selenium(I) chlorid, Selenium dichloride, Selenides, mercury selenide.
2 ʻOihana ʻenehana kiʻekiʻe ʻepekema: lead selenide, zinc selenide, copper indium gallium diselenide.
3 Uila: Semiconductor, metala electropositive, Tetraselenium tetranitride.
4 Kemika: Selenols, selenium isotope, Plastics, hoʻolaha kiʻi.
5 Ke noi ʻoihana: Ka hana aniani, pahu selenium, kiʻi electrostatic, mea hana ʻike.
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