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Iridio

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Iridium
77Ir
Rh
↑
Ir
↓
Mt
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)
osmium ←iridium →platinum
Panagway
silvery white
Two square pieces of gray foil
Kinatibuk-ang mga kinaiya
Ngalan,simbolo,kaiphaniridium, Ir, 77
Paglitok/ᵻˈrɪdiəm/
[[Help:Pronunciation respelling key|i-Plantilya:Smallcaps all-ee-əm]]
Kategoriyang elementoputhaw nga transisyon
Group,period,block9, 6,d
Gibug-aton sa atomo192.217
Kontorno sa elektron[Xe] 4f14 5d7 6s2
2, 8, 18, 32, 15, 2
Electron shells of iridium (2, 8, 18, 32, 15, 2)
Electron shells of iridium (2, 8, 18, 32, 15, 2)
History
PagkadiskobreSmithson Tennant (1803)
First isolationSmithson Tennant (1803)
Physical properties
Phasemagahi
Density (nearr.t.)22.56 g·cm−3
Liquiddensity atm.p.19 g·cm−3
Melting point2739 K, 2466 °C, 4471 °F
Boiling point4701 K, 4428 °C, 8002 °F
Heat of fusion41.12kJ·mol−1
Heat of vaporization563 kJ·mol−1
Molar heat capacity25.10 J·mol−1·K−1
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)271329573252361440694659
Atomic properties
Oxidation states−3,−1, 0, 1, 2,3,4, 5, 6
Electronegativity2.20 (Pauling scale)
Ionization energies1st: 880 kJ·mol−1
2nd: 1600 kJ·mol−1
Atomic radius136pm
Covalent radius141±6 pm
Miscellanea
Crystal structureface-centered cubic
Iridium has a face-centered cubic crystal structure
Magnetic orderingparamagnetic[1]
Electrical resistivity(20 °C) 47.1 nΩ·m
Thermal conductivity147 W·m−1·K−1
Thermal expansion6.4 µm/(m·K)
Speed of sound (thin rod)(20 °C) 4825 m·s−1
Young's modulus528 GPa
Shear modulus210 GPa
Bulk modulus320 GPa
Poisson ratio0.26
Mohs hardness6.5
Vickers hardness1760 MPa
Brinell hardness1670 MPa
CAS registry number7439-88-5
Most stable isotopes
Main article:Isotopes of iridium
isoNAhalf-lifeDMDE(MeV)DP
188Irsyn1.73 dε1.64188Os
189Irsyn13.2 dε0.532189Os
190Irsyn11.8 dε2.000190Os
191Ir37.3%191Ir isstable with 114neutrons
192Irsyn73.827 dβ–1.460192Pt
ε1.046192Os
192m2Irsyn241yIT0.161192Ir
193Ir62.7%193Ir isstable with 116neutrons
193mIrsyn10.5dIT0.080193Ir
194Irsyn19.3 hβ–2.247194Pt
194m2Irsyn171dIT-194Ir
·r

Angiridio (Ininglesiridium) mao angelementong kimiko satalaang peryodiko nga may simbolo ngaIr ug kaiphan nga atomik 77. Ang iridio mao angputhaw nga transisyon.

Ang mga gi basihan niini

[usba |usba ang wikitext]
  1. ↑Magnetic susceptibility of the elements and inorganic compounds, inLide, D. R., ed. (2005).CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press.ISBN 0-8493-0486-5.


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