Se
i-Selenium
Ingxenye 34 · 78.971 u
I-selenium iyingxenye ebalulekile yokulandela esetshenziswa kuma-electronic kanye ne-diet supplements.
Izici Zobuchopho
| I-Atom Mass | 78.971 u |
| Ubukhulu | 4.809 g/cm³ |
| Izinga lokuncibilika | 494.0 K |
| Izinga lokubopha | 958.0 K |
| Ukubonakala | Bomvu kuya ku-grey, mnyama ku-vitreous form |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 2.55 (I-Pauling) |
| I-Ionization Energy | 941.0 kJ/mol |
| I-electron affinity | 195.0 kJ/mol |
| I-Oxidation States | -2, +2, +4, +6 |
Izici ze-Atom
| I-electron | [Ar] 3d10 4s2 4p4 |
| I-Atom Radius | 103.0 pm |
| I-Covalent Radius | 120.0 pm |
| I-Van der Waals Radius | 190.0 pm |
Ukuqapha
| Itholakele ngu | Jons Jacob Berzelius |
| Unyaka wokuqamba | 1817 |
| Indawo | i-Stockholm, i-Sweden |
| Ibizwa nge | isi-Greek'selene' ithetha ukuthi i-moon |
Malunga i-Selenium
I-selenium inezici phakathi kwe-sulfur ne-tellurium. Ukushayela kwayo kushintsha ngokukhanya, okwenza kube ngcono kuma-photoconductors. Kuyinto ebalulekile yengxenye ye-selenocysteine.
Izisebenziso
Amaseli e-photovoltaic, ama-photocopiers, ukuphrinta kwengilazi, izithako zokupheka, nama-semiconductors.
Iqiniso elijabulisayo
I-selenium ibalulekile emininingwaneni emincane kodwa ingozi emithambekeni eminingi. Ama-nuts aseBrazil ayizitshalo ezidumile kakhulu zokupheka.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 76 | 0.0937% | - | Yebo |
| 78 | 0.2377% | - | Yebo |
| 80 | 0.4961% | - | Yebo |
| 82 | 0.0873% | - | Yebo |
I-electron
[Ar] 3d10 4s2 4p4