Os

Osmium

Zosankha 76 · 190.23 u

Transition Metal d-block Mphindi 6 _Grupu 8 M'gululi pa RT Wikipedia →

Osmium ndi chinthu cholimba kwambiri chomwe chimapezeka m'chilengedwe ndi 22.587 g / cm3.

Zochita za Fiziki

Mafuta190.23 u
Kuwala22.587 g/cm³
Kutentha3306.0 K
Kutentha5285.0 K
KuonekaSilvery, buluu wopangidwa ndi ma metal
State at Room TempM'gululi

Makhalidwe a Chemical

Electronegativity2.2 (Pauling)
1st Ionization Energy840.0 kJ/mol
Electron Affinity103.99 kJ/mol
Oxygen+2, +3, +4, +6, +8

Zosankha

Kusintha kwa ma electron[Xe] 4f14 5d6 6s2
Atomic radius135.0 pm
Covalent Radius144.0 pm
Kuwala kwa Van der Waals216.0 pm

Kupeza

Kupezeka ndiSmithson Tennant
Kuzindikira chaka1803
MaloLondon, England
Analimbikitsidwa ndiChigiriki 'osme' chomwe chimatanthauza mizu, kuchokera ku osmium tetroxide yophimbidwa

Za ine Osmium

Osmium ndi wovuta, wolimba, wobiriwira-woyera metal. Osmium tetroxide ndi kwambiri zowopsa ndi fungo lolimba. The metal ndi kwambiri kovuta ndi kukana kuwonongeka.

Kugwiritsa ntchito & Maphunziro

Penni nibs, mauthenga amagetsi, mainstrument pivots, ndi catalyst (osmium tetroxide).

Fun Facts

Osmium ndi chosalimba kwambiri chinthu, za kachiwiri monga chinyezi. A cubic foot angagwiritsidwe ntchito zoposa 1,400 ma pounds.

Isotopes

Kukula kwa maselo Kuchuluka Half-Life Wolimba
189 0.1615% - Yes
190 0.2626% - Yes
192 0.4078% - Yes

Kusintha kwa ma electron

[Xe] 4f14 5d6 6s2

Kuyerekezera

Kuyerekezera ndi zina zinthu

Kutsegula Zomwe Zimafananiza
← Rhenium Kubwerera ku tabula Iridium →