Zirconium

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Zirconium, 40Zr
Zr-crystal-bar.jpg
Zirconium
Pípè /zərˈkniəm/ (zər-KOH-nee-əm)
Ìhànsójúsilvery white
Ìwúwo átọ̀mù Ar, std(Zr)91.224(2)[1]
Zirconium ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Ti

Zr

Hf
yttriumzirconiumniobium
Nọ́mbà átọ̀mù (Z)40
Ẹgbẹ́group 4
Àyèàyè 5
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì  Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Kr] 4d2 5s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 10, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́2128 K ​(1855 °C, ​3371 °F)
Ígbà ìhó4682 K ​(4409 °C, ​7968 °F)
Kíki (near r.t.)6.52 g/cm3
when liquid (at m.p.)5.8 g/cm3
Heat of fusion14 kJ/mol
Heat of 573 kJ/mol
Molar heat capacity25.36 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2639 2891 3197 3575 4053 4678
Atomic properties
Oxidation states−2, +1,[2] +2, +3, +4 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.33
Atomic radiusempirical: 160 pm
Covalent radius175±7 pm
Color lines in a spectral range
Spectral lines of zirconium
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for zirconium
Speed of sound thin rod3800 m/s (at 20 °C)
Thermal expansion5.7 µm/(m·K) (at 25 °C)
Thermal conductivity22.6 W/(m·K)
Electrical resistivity421 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic[3]
Young's modulus88 GPa
Shear modulus33 GPa
Bulk modulus91.1 GPa
Poisson ratio0.34
Mohs hardness5.0
Vickers hardness903 MPa
Brinell hardness650 MPa
CAS Number7440-67-7
Main isotopes of zirconium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
88Zr syn 83.4 d ε - 88Y
γ 0.392D -
89Zr syn 78.4 h ε - 89Y
β+ 0.902 89Y
γ 0.909D -
90Zr 51.45% 90Zr is stable with 50 neutrons
91Zr 11.22% 91Zr is stable with 51 neutrons
92Zr 17.15% 92Zr is stable with 52 neutrons
93Zr trace 1.53×106 y β 0.060 93Nb
94Zr 17.38% 1.1×1017 y ββ - 94Mo
96Zr 2.8% 2.0×1019 y[4] ββ 3.348 96Mo
Àdàkọ:Category-inline
| references

Zirconium (pípè /zərˈkoʊniəm/ zər-KOH-ni-əm) je ipilese elegbogi pelu ami-idamo Zr ati nomba atomu 40.


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi:10.1515/pac-2015-0305. 
  2. "Zirconium: zirconium(I) fluoride compound data". OpenMOPAC.net. Retrieved 2007-12-10. 
  3. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
  4. Pritychenko, Boris. "Adopted Double Beta Decay Data". National Nuclear Data Center. Retrieved 2008-02-11.  Unknown parameter |coauthors= ignored (|author= suggested) (help)
  5. "Zirconium: zirconium(I) fluoride compound data". OpenMOPAC.net. Retrieved 2007-12-10.