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Osmium

Osmium (from Ancient Greek ὀσμή (osmḗ) 'smell') is a chemical element; it has symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group. It was discovered in 1803 by Smithson Tennant, who named it for the characteristic smell of its volatile oxide. Osmium has the highest density of any stable element and…

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184Os
0.02%
185Os
synth
186Os
1.59%
187Os
1.96%
188Os
13.2%
189Os
16.1%

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Osmium

Nodes153
Edges152
Triples179
Avg. degree1.99
Density0.013072
Components1

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Osmium

Top relations

related to history · 32
Osmium → After, Antoine François, Chemists, Chocó Department, Colombia, Discovery, England, Europe, Fourcroy, French, Greek, He, However, In, Its, Joseph Louis Proust, June, Later, London, Louis Nicolas Vauquelin
related to External links · 17
Osmium → Archived March, Cambridge University Press, Chisholm, Disappearing Isotope, Encyclopædia Britannica, Flegenheimer, Hugh, Nottingham, Química, Revista Virtual, The Mystery, The Periodic Table, University, Videos, Vol, Wayback Machine, XX
related to Production · 16
Osmium → After, Both, During, Ir, IV, Modern, NH4, OsO4, Rhodium, RuO4, Separating, Several, Tennant, The, Two, Wollaston
related to Chemical properties · 14
Osmium → Another, CO, Examples, K2, Na2, OH, Os, Os2, Os4, OsO2, OsO3N, OsO4, The, With
related to Occurrence · 8
Osmium → As, Earth's, In, Pd, PdSb, Pt, PtAs2, PtBiTe
has application · 5
Osmium → Because, LP, Only, Osmium-alloy, They
related to Isotopes · 4
Osmium → Alpha, At, Os, The
related to Physical properties · 4
Osmium → Only, Reflectivity, The, X-ray
related to Precautions · 3
Osmium → At, Its, OsO4
related to Price · 3
Osmium → Because, Between, US

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Important terminology

platinum metals iridium metal oxidation os nickel volatile copper used stable states tetroxide element group residue platinum-group applications oso4 production

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Osmium184Os0.02%1.00infobox
Osmium185Ossynth1.00infobox
Osmium186Os1.59%1.00infobox
Osmium187Os1.96%1.00infobox
Osmium188Os13.2%1.00infobox
Osmium189Os16.1%1.00infobox
Osmium190Os26.3%1.00infobox
Osmium191Ossynth1.00infobox
Osmium192Os40.8%1.00infobox
Osmium193Ossynth1.00infobox
Osmium194Ossynth1.00infobox
OsmiumAppearancesilvery, blue cast1.00infobox
Osmiumat T (K)31601.00infobox
OsmiumAtomic number (Z)761.00infobox
OsmiumAtomic radiusempirical: 135 pm1.00infobox
OsmiumBlockd-block1.00infobox
OsmiumBoiling point5281 K ​(5008 °C, ​9046 °F)1.00infobox
OsmiumBrinell hardness3920 MPa1.00infobox
OsmiumBulk modulus462 GPa1.00infobox
OsmiumCAS Number7440-04-21.00infobox
OsmiumCovalent radius144±4 pm1.00infobox
OsmiumCrystal structure​hexagonal close-packed (hcp) (hP2)1.00infobox
OsmiumDensity (at 20° C)22.587 g/cm31.00infobox
OsmiumDiscovery and first isolationSmithson Tennant (1803)1.00infobox
OsmiumElectrical resistivity81.2 nΩ⋅m (at 0 °C)1.00infobox
OsmiumElectron configuration[Xe] 4f14 5d6 6s21.00infobox
OsmiumElectronegativityPauling scale: 2.21.00infobox
OsmiumElectrons per shell2, 8, 18, 32, 14, 21.00infobox
OsmiumGroupgroup 81.00infobox
OsmiumHeat of fusion57.851 kJ/mol (at m.p.)1.00infobox

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