Titanyo

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Titanium
22Ti
-

Ti

Zr
scandiumtitaniumvanadium
Appearance
silvery grey-white metallic
General properties
Name, simbolo, kaiphan titanium, Ti, 22
Pronunciation Plantilya:IPAc-en
Plantilya:Respell
Element category puthaw nga transisyon
Group, period, block 44, d
Standard atomic weight 47.867(1)
Electron configuration [Ar] 3d2 4s2
2, 8, 10, 2
Electron shells of titanium (2, 8, 10, 2)
History
Discovery William Gregor (1791)
First isolation Jöns Jakob Berzelius (1825)
Named by Martin Heinrich Klaproth (1795)
Physical properties
Phase magahi
Density (near r.t.) 4.506 g·cm−3
Liquid density at m.p. 4.11 g·cm−3
Melting point 1941 K, 1668 °C, 3034 °F
Boiling point 3560 K, 3287 °C, 5949 °F
Heat of fusion 14.15 kJ·mol−1
Heat of vaporization 425 kJ·mol−1
Molar heat capacity 25.060 J·mol−1·K−1
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 4, 3, 2, 1[1]
(amphoteric oxide)
Electronegativity 1.54 (Pauling scale)
Ionization energies
(more)
1st: 658.8 kJ·mol−1
2nd: 1309.8 kJ·mol−1
3rd: 2652.5 kJ·mol−1
Atomic radius 147 pm
Covalent radius 160±8 pm
Miscellanea
Crystal structure hexagonal
Titanium has a hexagonal crystal structure
Magnetic ordering paramagnetic
Electrical resistivity (20 °C) 420 nΩ·m
Thermal conductivity 21.9 W·m−1·K−1
Thermal expansion (25 °C) 8.6 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) 5,090 m·s−1
Young's modulus 116 GPa
Shear modulus 44 GPa
Bulk modulus 110 GPa
Poisson ratio 0.32
Mohs hardness 6.0
Vickers hardness 970 MPa
Brinell hardness 716 MPa
CAS registry number 7440-32-6
Most stable isotopes
Main article: Isotopes of titanium
iso NA half-life DM DE (MeV) DP
44Ti syn 63 y ε - 44Sc
γ 0.07D, 0.08D -
46Ti 8.0% 46Ti is stable with 24 neutrons
47Ti 7.3% 47Ti is stable with 25 neutrons
48Ti 73.8% 48Ti is stable with 26 neutrons
49Ti 5.5% 49Ti is stable with 27 neutrons
50Ti 5.4% 50Ti is stable with 28 neutrons
t  h  u
· r

Ang titanyo (Iningles titanium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Ti ug kaiphan nga atomik 22. Ang titanyo mao ang puthaw nga transisyon.

Ang mga gi basihan niini[usba | edit source]

  1. Andersson, N. et al. (2003). "Emission spectra of TiH and TiD near 938 nm". J. Chem. Phys. 118: 10543. doi:10.1063/1.1539848. Bibcode2003JChPh.118.3543A, http://bernath.uwaterloo.ca/media/257.pdf. 


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