نيوديموميم

د ويکيپېډيا، وړیا پوهنغونډ له خوا
(له Neodymium نه مخ گرځېدلی)
و اصلی برخی ته ورشی د پلټنې ځای ته ورټوپ کړی
Neodymium,  60Nd
Neodymium2.jpg
عمومي خواص
Pronunciation /ˌn.oʊ-ˈdɪmiəm/
NEE-o-DIM-ee-əm
Appearance silvery white
Neodymium 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)


Nd

U
praseodymiumneodymiumpromethium
اټومي شمیره (Z) 60
گروپ, پیریود group n/a, period 6
بلاک f-block
Element category   lanthanide
معياري اټومي وزن (Ar) کينډۍ:Val[۱]
Electron configuration [Xe] 4f4 6s2
Electrons per shell
2, 8, 18, 22, 8, 2
فزیکي خواص
حالت (at STP) جامد
دويلې کيدو ټکى 1297 K ​(1024 °C, ​1875 °F)
يشنا ټکی 3347 K ​(3074 °C, ​5565 °F)
Density near r.t. 7.01 g/cm3
when liquid, at m.p. 6.89 g/cm3
Heat of fusion 7.14 kJ/mol
Heat of vaporization 289 kJ/mol
Molar heat capacity 27.45 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1595 1774 1998 (2296) (2715) (3336)
اټومي خواص
Oxidation states +4, +3, +2 ​(a mildly basic oxide)
Electronegativity Pauling scale: 1.14
Ionization energies
  • 1st: 533.1 kJ/mol
  • 2nd: 1040 kJ/mol
  • 3rd: 2130 kJ/mol
Atomic radius empirical: 181 pm
Covalent radius 201±6 pm
Miscellanea
Crystal structuredouble hexagonal close-packed (dhcp)
Double hexagonal close packed crystal structure for neodymium
Speed of sound thin rod 2330 m/s (at 20 °C)
Thermal expansion α, poly: 9.6 µm/(m·K) (at r.t.)
د تودوخې تېرېدنه 16.5 W/(m·K)
Electrical resistivity α, poly: 643 nΩ·m
Magnetic ordering paramagnetic, antiferromagnetic below 20 K[۲]
Magnetic susceptibility (χmol) +5628.0·10−6 cm3/mol (287.7 K)[۳]
Young's modulus α form: 41.4 GPa
Shear modulus α form: 16.3 GPa
Bulk modulus α form: 31.8 GPa
Poisson ratio α form: 0.281
Vickers hardness 345–745 MPa
Brinell hardness 265–700 MPa
CAS Number 7440-00-8
History
Discovery Carl Auer von Welsbach (1885)
Main isotopes of neodymium
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
142Nd 27.2% stable
143Nd 12.2% stable
144Nd 23.8% 2.29×1015 y α 140Ce
145Nd 8.3% stable
146Nd 17.2% stable
148Nd 5.8% stable
150Nd 5.6% 6.7×1018 y ββ 150Sm
| references | in Wikidata

نيوديموميم (په انگرېزي: Neodymium) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Nd سمبول او ۶۰ اتمي شمېرې په وسیله ښودل شوی دی.

مشخصات[سمول]

تاریخچه[سمول]

مرکبات[سمول]

د استعمال ځایونه[سمول]

سرچينې[سمول]

  1. Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265-91. doi:10.1515/pac-2015-0305. https://www.degruyter.com/downloadpdf/j/pac.2016.88.issue-3/pac-2015-0305/pac-2015-0305.xml. 
  2. Gschneidner, K. A.; Eyring, L. (1978). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". Handbook on the Physics and Chemistry of Rare Earths]. Amsterdam: North Holland. ISBN 0444850228. 
  3. Weast, Robert (1984). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". CRC, Handbook of Chemistry and Physics]. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4. 

Wiki letter w.svg دا ليکنه نابشپړه ده، تاسې ددې ليکنې په بشپړولو کې د ويکيپېډيا سره مرسته کولای شئ.