Os

Osmium

Izinto 76 · 190.23 u

I-Transition Metal d- iblock Ixesha 6 Iqela 8 I-Solid kwi-RT I-Wikipedia →

I-osmium yinxalenye eninzi kakhulu ekhoyo ngokuqhelekileyo kwi-22.587 g/cm3.

Iimpawu Zobuchopho

Ii-atom190.23 u
Uxinano22.587 g/cm³
Incopho yokubila:3306.0 K
Incopho yokubila:5285.0 K
UkubonakalaI-silvery, i-blue cast metallic
I-State at Room TempI-Solid

Iimpawu zekhemikhali

Electronegativity2.2 (I-Polygon)
I-Ionization Energy840.0 kJ/mol
Electronegativity:103.99 kJ/mol
Iindawo zokuthambisa+2, +3, +4, +6, +8

Iimpahla zephetshana elichazayo:

Uqwalaselo lwe Electron[Xe] 4f14 5d6 6s2
Atomic radius:135.0 pm
I-Covalent Radius144.0 pm
I-Van der Waals Radius216.0 pm

Ukufumana kwakhona

Ifunyenwe NguSmithson Tennant
Unyaka Wophando1803
IndawoLondon, England
Igama ElilandelayoI-Greek 'osme' ithetha ukuba umphunga, ukusuka kwi-osmium tetroxide ethambileyo

I-About Osmium

I-osmium yintsimbi eqinileyo, eqinileyo, emnyama eluhlaza okwesibhakabhaka. I-osmium tetroxide inamandla amakhulu okubangela ukufa kunye nophunga olunamandla. Intsimbi inzima kakhulu kwaye imelana nokubola.

Iinkqubo

Iipeni zepensile, iziqhagamshelanisi zesibane, izikhombisi zesixhobo, kunye nesixhobo sokwenza i-catalyst (osmium tetroxide).

Inyathelo 1:

I-osmium yinxalenye eqinileyo kakhulu, malunga nexesha elinye eliqinileyo kune-lead. Inyawo elijikelezayo liza kubunzima obungaphezulu kwe-1400 yee-pund.

I-Isotopes

Inani le-Mass Uninzi Ixesha eliphakathi Iqinile
189 0.1615% - Ewe
190 0.2626% - Ewe
192 0.4078% - Ewe

Uqwalaselo lwe Electron

[Xe] 4f14 5d6 6s2

Uthelekiso

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