Tc

Teknetium

Qaybta 43 · 98.0 u

Midab: d-block Waqtiga 5 _Dhaqdhaqaaq 7 Cidhiidhi at RT Radioactive Isku dhafan Wikipedia →

Technetium ahaa qaybta ugu horeysay ee wax lagu sameeyo oo aan lahayn isotope-yada joogtada ah.

Eeg astaamaha

Atomic mass98.0 u
Cidhiidhi11.5 g/cm³
Natiijooyinka2430.0 K
Natiijooyinka4538.0 K
MuuqaalkaMadow madow
Xaaladda heerkulka qolkaCidhiidhi

Eegista

Electronegativity1.9 (Pauling)
1st Ionization702.0 kJ/mol
Istaraatiijiyad53.0 kJ/mol
Nidaamka+1, +2, +3, +4, +5, +6, +7

_Cusub:

Nidaamka[Kr] 4d5 5s2
Awooda136.0 pm
Xaraf147.0 pm
Van der Waals209.0 pm

Dib u eegista

La OgaadayCarlo Perrier, Emilio Segre
Sannadka la helay1937
_MeelPalermo, Talyaaniga
MagacaabistaGreek 'technetos' macnaheedu waa artificial

_Warbixinta Teknetium

Technetium waa birta radioactive silvery-cagaaran. Waxay ahayd qaybta ugu horeysay ee la soo saaro si dabiici ah, by bombarding molybdenum la deuterons. Technetium-99m waa isotope ugu badan ee loo isticmaalo ee caafimaadka digniinta imaging.

Barnaamijyada

Medical imaging (Tc-99m in SPECT scans), daawooyinka nukliyeerka, iyo birta ka hortagga korontada.

Xaqiiqo xiiso leh

Technetium ahaa qaybta ugu horeysay ee artificially abuuray, iyo raadadka yar yar ayaa la helay dabiiciga ka spontaneous uranium fission.

Isotoobyo

Tirada Tirada Half-Life Xasiloon
97 - 4.21 million years Ha
98 - 4.2 million years Ha
99 - 211,100 years Ha

Nidaamka

[Kr] 4d5 5s2

La barbardhigo

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