Se
Selenium
Izinto 34 · 78.971 u
I-selenium yinxalenye ebalulekileyo esetyenziswa kwizixhobo ze-elektroniki kunye nezongezelelo zokutya.
Iimpawu Zobuchopho
| Ii-atom | 78.971 u |
| Uxinano | 4.809 g/cm³ |
| Incopho yokubila: | 494.0 K |
| Incopho yokubila: | 958.0 K |
| Ukubonakala | Bomvu ukuya kumnyama, mnyama kwifom ekhanyayo |
| I-State at Room Temp | I-Solid |
Iimpawu zekhemikhali
| Electronegativity | 2.55 (I-Polygon) |
| I-Ionization Energy | 941.0 kJ/mol |
| Electronegativity: | 195.0 kJ/mol |
| Iindawo zokuthambisa | -2, +2, +4, +6 |
Iimpahla zephetshana elichazayo:
| Uqwalaselo lwe Electron | [Ar] 3d10 4s2 4p4 |
| Atomic radius: | 103.0 pm |
| I-Covalent Radius | 120.0 pm |
| I-Van der Waals Radius | 190.0 pm |
Ukufumana kwakhona
| Ifunyenwe Ngu | Jons Jacob Berzelius |
| Unyaka Wophando | 1817 |
| Indawo | Stockholm, Sweden |
| Igama Elilandelayo | IsiGrike'selene' kuthetha ilanga |
I-About Selenium
I-selenium inezinto eziphakathi kwe-sulfur kunye ne-tellurium. Ukuqhuba kwayo kutshintsha ngokukhanya, kwenza ukuba kusebenziseke kwi-photoconductors. Yinxalenye ebalulekileyo ye-trace element njengenxalenye ye-selenocysteine.
Iinkqubo
Iiseli zefotovoltaic, iikopi zefoto, ukwenziwa kweglasi, izithako zokutya, kunye neesemikonduktori.
Inyathelo 1:
I-selenium ibalulekile xa isetyenziswa ngamanqanaba amancinci kodwa ibangela ukuvuvukala xa isetyenziswa ngamanqanaba amakhulu. I-Brazil nuts yindawo ebalulekileyo yokutya eyaziwayo.
I-Isotopes
| Inani le-Mass | Uninzi | Ixesha eliphakathi | Iqinile |
| 76 | 0.0937% | - | Ewe |
| 78 | 0.2377% | - | Ewe |
| 80 | 0.4961% | - | Ewe |
| 82 | 0.0873% | - | Ewe |
Uqwalaselo lwe Electron
[Ar] 3d10 4s2 4p4