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Template:Infobox zirconium

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Zirconium, 40Zr
File:Zirconium crystal bar and 1cm3 cube.jpg
Zirconium
Pronunciation/zɜːrˈkoʊniəm/ ​(zur-KOH-nee-əm)
Appearancesilvery white
Standard atomic weight Ar°(Zr)
Zirconium in the periodic table
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
yttrium ← zirconium → niobium
Atomic number (Z)40
Groupgroup 4
Periodperiod 5
Block  d-block
Electron configuration[Kr] 4d2 5s2
Electrons per shell2, 8, 18, 10, 2
Physical properties
Phase at STPsolid
Melting point2125 K ​(1852 °C, ​3365 °F)
Boiling point4650 K ​(4377 °C, ​7911 °F)
Density (at 20° C)6.505 g/cm3[3]
when liquid (at m.p.)5.8 g/cm3
Heat of fusion14 kJ/mol
Heat of vaporization591 kJ/mol
Molar heat capacity25.36 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2639 2891 3197 3575 4053 4678
Atomic properties
Oxidation statescommon: +4
−2,[4] 0,[5] +1,[6] +2,[7][8] +3[6]
ElectronegativityPauling scale: 1.33
Ionization energies
  • 1st: 640.1 kJ/mol
  • 2nd: 1270 kJ/mol
  • 3rd: 2218 kJ/mol
Atomic radiusempirical: 160 pm
Covalent radius175±7 pm
Color lines in a spectral range
Spectral lines of zirconium
Other properties
Natural occurrenceprimordial
Crystal structure ​hexagonal close-packed (hcp) (hP2)
Lattice constantsa = 323.22 pm
c = 514.79 pm (at 20 °C)[3]
Thermal expansion5.69×10−6/K (at 20 °C)[3][lower-alpha 1]
Thermal conductivity22.6 W/(m⋅K)
Electrical resistivity421 nΩ⋅m (at 20 °C)
Magnetic orderingparamagnetic[9]
Young's modulus88 GPa
Shear modulus33 GPa
Bulk modulus91.1 GPa
Speed of sound thin rod3800 m/s (at 20 °C)
Poisson ratio0.34
Mohs hardness5.0
Vickers hardness820–1800 MPa
Brinell hardness638–1880 MPa
CAS Number7440-67-7
History
Namingafter zircon, zargun زرگون meaning "gold-colored".
DiscoveryMartin Heinrich Klaproth (1789)
First isolationJöns Jakob Berzelius (1824)
Isotopes of zirconium
Main isotopes[10] Decay
abun­dance half-life (t1/2) mode pro­duct
88Zr synth 83.4 d ε 88Y
γ –
89Zr synth 78.4 h ε 89Y
β+ 89Y
γ –
90Zr 51.5% stable
91Zr 11.2% stable
92Zr 17.1% stable
93Zr trace 1.53×106 y β− 93Nb
94Zr 17.4% stable
95Zr synth 64.032 d β− 95Nb
96Zr 2.80% 2.34×1019 y β−β− 96Mo
File:Symbol category class.svg Category: Zirconium
| references
child table, as reused in {IB-Zr}
Main isotopes of zirconium
Main isotopes[10] Decay
abun­dance half-life (t1/2) mode pro­duct
88Zr synth 83.4 d ε 88Y
γ –
89Zr synth 78.4 h ε 89Y
β+ 89Y
γ –
90Zr 51.5% stable
91Zr 11.2% stable
92Zr 17.1% stable
93Zr trace 1.53×106 y β− 93Nb
94Zr 17.4% stable
95Zr synth 64.032 d β− 95Nb
96Zr 2.80% 2.34×1019 y β−β− 96Mo
Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt) caption:

alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
  most stable isotope
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01)
See also {{Index of data sets}} · Cat:data sets (0) · (this table:
)

Notes

  1. ↑ The thermal expansion of a zirconium crystal is anisotropic: the parameters (at 20 °C) for each crystal axis are αa = 4.91×10−6/K, αc = 7.26×10−6/K, and αaverage = αV/3 = 5.69×10−6/K.[3]

References

These references will appear in the article, but this list appears only on this page.
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  2. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  3. ↑ Jump up to: 3.0 3.1 3.2 3.3 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  4. ↑ Zr(–2) is known in Zr(CO)2−6; see Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  5. ↑ Zr(0) occur in (η6-(1,3,5-tBu)3C6H3)2Zr and [(η5-C5R5Zr(CO)4]−, see Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  6. ↑ Jump up to: 6.0 6.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  7. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  8. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  9. ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
  10. ↑ Jump up to: 10.0 10.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).

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