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 .
Quick facts Titanium, Panagway ...
Titanium
22
Panagway
silvery grey-white metallic
Kinatibuk-ang mga kinaiya
Ngalan, simbolo , kaiphan
titanium, Ti, 22
Paglitok
[[Help:Pronunciation respelling key|ty-Plantilya:Smallcaps all ]]
Kategoriyang elemento puthaw nga transisyon
Group , period , block 4 , 4 , d
Gibug-aton sa atomo 47.867(1)
Kontorno sa elektron [ Ar ] 3d2 4s2 Electron shells of titanium (2, 8, 10, 2)
History
Pagkadiskobre 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
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
44 Tisyn 63 y ε -
44 Sc
γ 0.07D , 0.08D
46 Ti8.0%
46 Ti is stable with 24 neutrons
47 Ti7.3%
47 Ti is stable with 25 neutrons
48 Ti73.8%
48 Ti is stable with 26 neutrons
49 Ti5.5%
49 Ti is stable with 27 neutrons
50 Ti5.4%
50 Ti is stable with 28 neutrons
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