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Titanium, 22Ti
Titanium
Bigkas
Appearancesilvery grey-white metallic
Standard atomic weight Ar°(Ti)
  • 47.867±0.001
  • 47.867±0.001 (pinaikli)[2][3]
Titanium sa talahanayang peryodiko
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
scandiumtitaniumvanadium
Atomikong bilang (Z)22
Group4
Period4
Block  d-block
Electron configuration[Ar] 3d2 4s2
Electrons per shell2, 8, 10, 2
Physical properties
Phase at STPsolido
Melting point1941 K ​(1668 °C, ​3034 °F)
Boiling point3560 K ​(3287 °C, ​5949 °F)
Density (at 20° C)4.502 g/cm3[4]
when liquid (at m.p.)4.11 g/cm3
Heat of fusion14.15 kJ/mol
Heat of vaporization425 kJ/mol
Molar heat capacity25.060 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1982 2171 (2403) 2692 3064 3558
Atomic properties
Oxidation states−2, −1, 0,[5] +1, +2, +3, +4[6] (isang anpoterong oksido)
ElectronegativityPauling scale: 1.54
Ionization energies
  • 1st: 658.8 kJ/mol
  • 2nd: 1309.8 kJ/mol
  • 3rd: 2652.5 kJ/mol
  • (more)
Atomic radiusempirical: 147 pm
Covalent radius160±8 pm
Color lines in a spectral range
Mga linyang espektral ng titanium
Other properties
Natural occurrenceprimordiyal
Crystal structurehexagonal close-packed (hcp) (hP2)
Lattice constants
Hexagonal close packed crystal structure for titanium
a = 295.05 pm
c = 468.33 pm (at 20 °C)[4]
Thermal expansion9.68×10−6/K (at 20 °C)[a]
Thermal conductivity21.9 W/(m⋅K)
Electrical resistivity420 nΩ⋅m (at 20 °C)
Magnetic orderingparamagnetic
Molar magnetic susceptibility+153.0×10−6 cm3/mol (293 K)[7]
Young's modulus116 GPa
Shear modulus44 GPa
Bulk modulus110 GPa
Speed of sound thin rod5090 m/s (at r.t.)
Poisson ratio0.32
Mohs hardness6.0
Vickers hardness830–3420 MPa
Brinell hardness716–2770 MPa
CAS Number7440-32-6
History
DiscoveryWilliam Gregor (1791)
First isolationJöns Jakob Berzelius (1825)
Named byMartin Heinrich Klaproth (1795)
Isotopes of titanium
Main isotopes[8] Decay
abun­dance half-life (t1/2) mode pro­duct
44Ti synth 59.1 y ε 44Sc
46Ti 8.25% stable
47Ti 7.44% stable
48Ti 73.7% stable
49Ti 5.41% stable
50Ti 5.18% stable
Kategorya Kategorya: Titanium
| references

Ang titanyo o titanyum (Kastila: titanio, Ingles: titanium) ay ang pangdalawangput-dalawa na elementong kimikal sa talaang peryodiko. Ang simbolo nito ay Ti at nagtataglay ng bilang atomiko na 22. Ito ay nangangalawa sa mga transisyong metal ng talaang peryodiko. Ito ay matibay, magaan, makisap at maputing elementong metaliko na matibay sa korosyon. Ginagamit sa pag-gawa ng mga piyesa ng eroplano at mga kasangkapang matibay sa init. Natuklasan noong 1791 ni W Gregor.

Mga sanggunian

  1. "titanium". Lexico UK English Dictionary. Oxford University Press. Inarkibo mula sa orihinal noong 2019-12-20.{{cite ensiklopedya}}: CS1 maint: date auto-translated (link)
  2. "Standard Atomic Weights: Titanium" (sa wikang Ingles). CIAAW. 1993.{{cite web}}: CS1 maint: date auto-translated (link)
  3. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (sa wikang Ingles). doi:10.1515/pac-2019-0603. ISSN 1365-3075.{{cite journal}}: CS1 maint: date auto-translated (link)
  4. 4.0 4.1 Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.{{cite book}}: CS1 maint: date auto-translated (link)
  5. Jilek, Robert E.; Tripepi, Giovanna; Urnezius, Eugenijus; Brennessel, William W.; Young, Victor G., Jr.; Ellis, John E. (2007). "Zerovalent titanium–sulfur complexes. Novel dithiocarbamato derivatives of Ti(CO)6: [Ti(CO)4(S2CNR2)]". Chem. Commun. (sa wikang Ingles) (25): 2639–2641. doi:10.1039/B700808B. PMID 17579764.{{cite journal}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  6. Andersson, N.; atbp. (2003). "Emission spectra of TiH and TiD near 938 nm" (PDF). J. Chem. Phys. (sa wikang Ingles). 118 (8): 10543. Bibcode:2003JChPh.118.3543A. doi:10.1063/1.1539848.{{cite journal}}: CS1 maint: date auto-translated (link)
  7. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.{{cite book}}: CS1 maint: date auto-translated (link)
  8. Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.{{cite journal}}: CS1 maint: date auto-translated (link)


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