ايتريوم

کیمیاوي عنصر

ايتريوم (په انگرېزي: Yttrium) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Y سمبول او ۳۹ اتمي شمېرې په وسیله ښودل شوی دی.

Yttrium,  39Y
عمومي خواص
Pronunciation /ˈɪtriəm/
IT-ree-əm
Appearancesilvery white
Yttrium په دوراني جدول کې
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
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 (polyatomic nonmetal)
Bromine (diatomic nonmetal)
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 (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
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 (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
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)
Nihonium (unknown chemical properties)
Flerovium (unknown chemical properties)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
Sc

Y

La
strontiumyttriumzirconium
اټومي شمیره (Z)39
گروپ, پیریودgroup 3, period 5
بلاکd-block
Element category  transition metal
معياري اټومي وزن (Ar)کينډۍ:Val[۱]
Electron configuration[Kr] 4d1 5s2
Electrons per shell
2, 8, 18, 9, 2
فزیکي خواص
حالت (at STP)جامد
دويلې کيدو ټکى1799 K ​(1526 °C, ​2779 °F)
يشنا ټکی3203 K ​(2930 °C, ​5306 °F)
Density near r.t.4.472 g/cm3
when liquid, at m.p.4.24 g/cm3
Heat of fusion11.42 kJ/mol
Heat of vaporization363 kJ/mol
Molar heat capacity26.53 J/(mol·K)
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)18832075(2320)(2627)(3036)(3607)
اټومي خواص
Oxidation states3, 2, 1 ​(a weakly basic oxide)
ElectronegativityPauling scale: 1.22
Ionization energies
  • 1st: 600 kJ/mol
  • 2nd: 1180 kJ/mol
  • 3rd: 1980 kJ/mol
Atomic radiusempirical: 180 pm
Covalent radius190±7 pm
Miscellanea
Crystal structure ​hexagonal close-packed (hcp)
Hexagonal close packed crystal structure for yttrium
Hexagonal close packed crystal structure for yttrium
Speed of sound thin rod3300 m/s (at 20 °C)
Thermal expansionα, poly: 10.6 µm/(m·K) (at r.t.)
د تودوخې تېرېدنه17.2 W/(m·K)
Electrical resistivityα, poly: 596 nΩ·m (at r.t.)
Magnetic orderingparamagnetic[۲]
Magnetic susceptibility (χmol)+2.15·10−6 cm3/mol (2928 K)[۳]
Young's modulus63.5 GPa
Shear modulus25.6 GPa
Bulk modulus41.2 GPa
Poisson ratio0.243
Brinell hardness200–589 MPa
CAS Number7440-65-5
History
Namingafter Ytterby (Sweden) and its mineral ytterbite (gadolinite)
DiscoveryJohan Gadolin (1794)
First isolationCarl Gustav Mosander (1842)
Main isotopes of yttrium
آيسو­ټوپAbun­danceنیم ژوند (t1/2)Decay modePro­duct

کينډۍ:Infobox element/isotopes decay2کينډۍ:Infobox element/isotopes decay2

89Y100%stable

کينډۍ:Infobox element/isotopes decay2کينډۍ:Infobox element/isotopes decay2

| references | in Wikidata

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