Osmium

Osmium, ₇₆Os
Osmium; ᵒosmiyum·
Pabaosan	/ˈɒzmiəm/ (OZ-mee-əm)
Cingakan	silvery, blue cast
Bobot atom standar Ar, std(Os)	190.23(3)
Osmium ring tabél périodik
	rhénium ← osmium → iridium
Wilangan atom (Z)	76
Watek	golongan 8
Période	période 6
Blok	blok-d
Konpigurasi éléktron	[Xé] 4f14 5d6 6s2
Éléktron per kulit	2, 8, 18, 32, 14, 2
Cecirén pisik
Pase ring STP	padet
Titik lebur	3306 K (3033 °C, 5491 °F)
Titik didih	5285 K (5012 °C, 9054 °F)
Kapadetan (nampek s.r.)	22.59 g/cm3
ri kala éncéh (ring t.l.)	20 g/cm3
Panes fusi	31 kJ/mol
Panes panguapan	378 kJ/mol
Kapasitas panes molar	24.7 J/(mol·K)
Cecirén atom
Paindikan oksidasi	−4, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7, +8 (oksida asam tenga)
Kaéléktronégatipan	skala Pauling: 2.2
Wasa ionisasi	ka-1: 840 kJ/mol ; ka-2: 1600 kJ/mol ; ;
Jeriji atom	émpiris: 135 pm
Jeriji kovalén	144±4 pm
	Garis spéktral saking osmium
Cecirén liyanan
Rupa alami	primordial
Struktur kristal	susunan padat héksagon (hcp)
Kagelisan swara pales tipis	4940 m/s (ring 20 °C)
Ékspansi térmal	5.1 µm/(m⋅K) (ring 25 °C)
Konduktivitas térmal	87.6 W/(m⋅K)
Resistivitas listrik	81.2 nΩ⋅m (ring 0 °C)
bacakan magnétik	paramagnétik
Karentanan magnétik molar	11×10−6 cm3/mol
Modulus Shear	222 GPa
Modulus Bulk	462 GPa
Rasio Poisson	0.25
Kakatosan Mohs	7.0
Kakatosan Vickers	300 MPa
Kakatosan Brinell	293 MPa
Nomor CAS	7440-04-2
Lelintihan
Panemuan miwah isolasi kapertama	Smithson Tennant (1803)
Isotop utama osmium
	Kategori:Osmium; cingak; pabligbagan; uah; \| pustaka

Punika logam transisi katos, emes, putih masawang pelung ring seka platinum sané katemuin manados lad datu ring paduan, makéhan ring wiji platinum. Osmium punika datu alami pinih padet, antuk pangukuran uji dénsitas 7004226500000000000♠22.65 g/cm³ (nganggén kristalograpi sunar-x).

Pustaka

Pranala jaba

Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (édisi ka-92nd). CRC Press. ISBN 978-1439855119.
Osmium at The Periodic Table of Videos (University of Nottingham)
FLEGENHEIMER, J. (2014). The mystery of the disappearing isotope. Revista Virtual de Química. V. XX. Available at Wayback Machine
Chisholm, Hugh, ed. (1911). "Osmium" . Encyclopædia Britannica. 20 (édisi ka-11th). Cambridge University Press. p. 352.

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Osmium

Pustaka

Pranala jaba

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