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 |
| ʻAiʻa: | 4.79 gm/cc |
| Lae hehee: | 217 oC |
| Lae paila: | 684.9 oC |
| ʻO ka hoʻokō 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.
ʻO ka lawelawe hiki iā mākou ke hāʻawi
1) Hiki ke hoʻopaʻa inoa ʻia ka ʻaelike maʻamau
2) Hiki ke pūlima ʻia ka ʻaelike hūnā
3) ʻEhiku lā hoʻihoʻi hōʻoia
ʻOi aku ka mea nui: hiki iā mākou ke hāʻawi i ka huahana wale nō, akā ʻo ka lawelawe ʻenehana hoʻonā!
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