Amorphous rubrum pulveris, becoming nigrum stans et crystallina in calefacit; Vitreus et colloidal formae parari.
Amorphous forma mollit ad XL ° C et liquefiat ad CCXVII ° c. Non raro occurrit in eius naturam statum naturam, aut ut pura ora componit.
| Symbolum: | Se |
| CAS | 7782-49-2 |
| NOTITRO | 34 |
| ATOMIC pondus: | 78.96 |
| Density: | 4.79 GM / cc |
| Melting Point: | CCXVII OC |
| Ferveret: | 684.9 O |
| De scelerisque conductivity: | 0.00519 w / cm / K @ 298,2 K |
| Electrical Resistentia: | CVI Microhm-cm @ 0 OC |
| Electronegativity: | 2.4 Paulings |
| SPECITIO calor: | 0.767 cal / g / k @ XXV |
| Calor vaporation: | 3,34 k-cal / GM atom at 684.9 O |
| Fusion calor: | 1.22 cal / GM talpa |
| Notus | CHEM |
I vestibulum Selenium (I) chlorid, selenium dhleride, selenides, Mercurius selenide.
II Scientia High Technology Industry: Duc Selenide, cadmiae selenide, aeris Indium Gallii disenenide.
III Electric: Semiconductors, Electropositive metallis, Tetranitride Tetranitride.
IV Chemiae: Selenols, Selenium Isotope, Plastics, Photographic nuditate.
V Industry Application: Vitrum faciens, Selenium tympanum, electrostatic photograph, optical instrumentum.
Service possumus providere
I) Formalis contractus potest signati
II) Confidentiality consensu potest esse signed
III) Septem diebus refugium pignus
Magis: Non potest providere non solum productum, sed technology solutio servitium!
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