Titanium, 22 Ti Titanium Pípè / t ᵻ ˈ t eɪ n i ə m ,_ t aɪ ʔ / [ 1] (ti-TAY -nee-əm-,_ -ty- ) Ìhànsójú silvery grey-white metallic Ìwúwo átọ̀mù A r, std (Ti) 47.867(1) [ 2] Titanium ní orí tábìlì àyè
Nọ́mbà átọ̀mù (Z ) 22 Ẹgbẹ́ group 4 Àyè àyè 4 Àdìpọ̀ Àdìpọ̀-d Ẹ̀ka ẹ́límẹ́ntì Transition metal Ìtò ẹ̀lẹ́ktrọ́nù [Ar ] 3d2 4s2 Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan 2, 8, 10, 2 Àwọn ohun ìní ara Ìfarahàn at STP solid Ìgbà ìyọ́ 1941 K (1668 °C, 3034 °F) Ígbà ìhó 3560 K (3287 °C, 5949 °F) Kíki (near r.t. ) 4.506 g/cm3 when liquid (at m.p. ) 4.11 g/cm3 Heat of fusion 14.15 kJ/mol Heat of 425 kJ/mol Molar heat capacity 25.060 J/(mol·K) 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,[ 3] +1, +2, +3, +4 [ 4] Àdàkọ:Infobox element/symbol-to-oxidation-state/comment Electronegativity Pauling scale: 1.54 energies Atomic radius empirical: 147 pm Covalent radius 160±8 pm Color lines in a spectral range Spectral lines of titaniumOther properties Natural occurrence primordial Crystal structure hexagonal Speed of sound thin rod 5,090 m/s (at r.t. ) Thermal expansion 8.6 µm/(m·K) (at 25 °C) Thermal conductivity 21.9 W/(m·K) Electrical resistivity 0.420 µ Ω·m (at 20 °C) Magnetic ordering paramagnetic 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 Number 7440-32-6 Main isotopes of titanium
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References
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↑ "titanium - definition of titanium in English | Oxford Dictionaries" . Oxford University Press. 2017. Retrieved 2017-03-28 .
↑ Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi :10.1515/pac-2015-0305 .
↑ 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 (S2 CNR2 )]− ". Chem. Commun. (25): 2639–2641. doi :10.1039/B700808B . PMID 17579764 .
↑ Andersson, N. (2003). "Emission spectra of TiH and TiD near 938 nm" . J. Chem. Phys. 118 (8): 10543. Bibcode 2003JChPh.118.3543A . doi :10.1063/1.1539848 . http://bernath.uwaterloo.ca/media/257.pdf .
↑ Andersson, N. et al. (2003). "Emission spectra of TiH and TiD near 938 nm" . J. Chem. Phys. 118 : 10543. doi :10.1063/1.1539848 . http://bernath.uwaterloo.ca/media/257.pdf .