Osmyo

Osmium
76Os
Ru

Os

Hs
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Periodic table
rheniumosmiumiridium
Panagway
silvery, blue cast
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphanosmium, Os, 76
Paglitok/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-mee-əm]]
Kategoriyang elementoputhaw nga transisyon
Group, period, block8, 6, d
Gibug-aton sa atomo190.23
Kontorno sa elektron[Xe] 4f14 5d6 6s2
2, 8, 18, 32, 14, 2
Electron shells of osmium (2, 8, 18, 32, 14, 2)
History
PagkadiskobreSmithson Tennant (1803)
First isolationSmithson Tennant (1803)
Physical properties
Phasemagahi
Density (near r.t.)22.59 g·cm−3
Liquid density at m.p.20 g·cm−3
Melting point3306 K, 3033 °C, 5491 °F
Boiling point5285 K, 5012 °C, 9054 °F
Heat of fusion57.85
Heat of vaporization738 kJ·mol−1
Molar heat capacity24.7 J·mol−1·K−1
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)316034233751414846385256
Atomic properties
Oxidation states8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2
(mildly acidic oxide)
Electronegativity2.2 (Pauling scale)
Ionization energies1st: 840 kJ·mol−1
2nd: 1600 kJ·mol−1
Atomic radius135 pm
Covalent radius144±4 pm
Miscellanea
Crystal structurehexagonal
Osmium has a hexagonal crystal structure
Magnetic orderingparamagnetic[1]
Electrical resistivity(0 °C) 81.2 nΩ·m
Thermal conductivity87.6 W·m−1·K−1
Thermal expansion(25 °C) 5.1 µm·m−1·K−1
Speed of sound (thin rod)(20 °C) 4940 m·s−1
Shear modulus222 GPa
Bulk modulus462 GPa
Poisson ratio0.25
Mohs hardness7.0
Brinell hardness3920 MPa
CAS registry number7440-04-2
Most stable isotopes
Main article: Isotopes of osmium
isoNAhalf-lifeDMDE (MeV)DP
184Os0.02%>5.6×1013 y1.452184W
α2.963180W
185Ossyn93.6 dε1.013185Re
186Os1.59%2.0×1015 yα2.822182W
187Os1.96%187Os is stable with 111 neutrons
188Os13.24%188Os is stable with 112 neutrons
189Os16.15%189Os is stable with 113 neutrons
190Os26.26%190Os is stable with 114 neutrons
191Ossyn15.4 d0.314191Ir
192Os40.78%>9.8×1012 y0.4135192Pt
α0.3622188W
193Ossyn30.11 d1.141193Ir
194Ossyn6 y0.097194Ir
·

Ang osmyo (Iningles osmium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Os ug kaiphan nga atomik 76. Ang osmyo mao ang puthaw nga transisyon.

Ang mga gi basihan niini

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.


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