Tc
I-Technetium
Ingxenye 43 · 98.0 u
I-Transition Metal
d-block
Isikhathi 5
Iqembu 7
Iqinile ku-RT
I-Radioactive
Isingeniso
I-Wikipedia →
I-technetium yayiyingxenye yokuqala eyenziwe ngokwezifiso futhi ayinazo izithako eziqinile.
Izici Zobuchopho
| I-Atom Mass | 98.0 u |
| Ubukhulu | 11.5 g/cm³ |
| Izinga lokuncibilika | 2430.0 K |
| Izinga lokubopha | 4538.0 K |
| Ukubonakala | Isingwevu esikhanyayo |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 1.9 (I-Pauling) |
| I-Ionization Energy | 702.0 kJ/mol |
| I-electron affinity | 53.0 kJ/mol |
| I-Oxidation States | +1, +2, +3, +4, +5, +6, +7 |
Izici ze-Atom
| I-electron | [Kr] 4d5 5s2 |
| I-Atom Radius | 136.0 pm |
| I-Covalent Radius | 147.0 pm |
| I-Van der Waals Radius | 209.0 pm |
Ukuqapha
| Itholakele ngu | Carlo Perrier, Emilio Segre |
| Unyaka wokuqamba | 1937 |
| Indawo | i-Palermo, i-Italy |
| Ibizwa nge | isiGreki 'technetos' isho ukuthi i artifical |
Malunga I-Technetium
Technetium yi-silvery-gray radioactive metal. Yabe yingxenye yokuqala ekhiqizwa ngomuntu, ngo bombarding molybdenum nge-deuterons. Technetium-99m iyi-isotope esetshenziswa kakhulu ekulimeni kwe-imaging yezokwelapha.
Izisebenziso
Ukuthola izithombe zezokwelapha (Tc-99m ku-SPECT scans), ukuhlolwa kwemithi ye-nuclear, kanye ne-steel corrosion inhibitor.
Iqiniso elijabulisayo
I-technetium yayiyingxenye yokuqala eyenziwe ngokwezifiso, futhi izicubu ezincane zitholakale emvelo kusuka ekuqhekekeni kwe-uranium.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 97 | - | 4.21 million years | Akukho |
| 98 | - | 4.2 million years | Akukho |
| 99 | - | 211,100 years | Akukho |
I-electron
[Kr] 4d5 5s2