تیتانیوم (اینگیلیسجه: Titanium) بیر شیمیایی عونصوردور.

Titanium,  22Ti
Titan-crystal bar.JPG
General properties
Pronunciation/tɪˈtniəm/[۱] or /tˈtniəm/
tih-TAY-nee-əm or ty-TAY-nee-əm
Appearancesilvery grey-white metallic
Titanium in the periodic table
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)


Ti

Zr
scandiumtitaniumvanadium
Atomic number (Z)22
Group, periodgroup 4, period 4
Blockd-block
Element category  transition metal
Standard atomic weight (Ar)47.867(1)[۲]
Electron configuration[Ar] 3d2 4s2
Electrons per shell
2, 8, 10, 2
Physical properties
Phasesolid
Melting point1941 K ​(1668 °C, ​3034 °F)
Boiling point3560 K ​(3287 °C, ​5949 °F)
Density near r.t.4.506 g/cm3
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 states4, 3, 2, 1, −1, −2[۳] ​(an amphoteric oxide)
ElectronegativityPauling scale: 1.54
Ionization energies1st: 658.8 kJ/mol
2nd: 1309.8 kJ/mol
3rd: 2652.5 kJ/mol
(more)
Atomic radiusempirical: 147 pm
Covalent radius160±8 pm
Miscellanea
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for titanium
Speed of sound thin rod5090 m/s (at r.t.)
Thermal expansion8.6 µm/(m·K) (at 25 °C)
Thermal conductivity21.9 W/(m·K)
Electrical resistivity420 nΩ·m (at 20 °C)
Magnetic orderingparamagnetic
Magnetic susceptibility (χmol)+153.0·10−6 cm3/mol (293 K)[۴]
Young's modulus116 GPa
Shear modulus44 GPa
Bulk modulus110 GPa
Poisson ratio0.32
Mohs hardness6.0
Vickers hardness830–3420 MPa
Brinell hardness716–2770 MPa
CAS Number7440-32-6
تاریخی
DiscoveryWilliam Gregor (1791)
First isolationJöns Jakob Berzelius (1825)
Named byMartin Heinrich Klaproth (1795)
Main isotopes of titanium
Iso­tope Abun­dance Half-life Decay mode Pro­duct
44Ti syn 63 y ε 44Sc
γ
46Ti 8.25% is stable
47Ti 7.44% is stable
48Ti 73.72% is stable
49Ti 5.41% is stable
50Ti 5.18% is stable
| references | in Wikidata

قایناقدَییشدیر

  1. titanium - definition of titanium in English | Oxford Dictionaries. Oxford University Press (2017).
  2. (2016) «Atomic weights of the elements 2013 (IUPAC Technical Report)». Pure Appl. Chem. 88 (3): 265-91. DOI:10.1515/pac-2015-0305.
  3. Andersson, N. (2003). «Emission spectra of TiH and TiD near 938 nm». J. Chem. Phys. 118. DOI:10.1063/1.1539848.
  4. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.