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 General | States | Energies | Oxidation & Electrons | Appearance & Characteristics | Reactions | Other Forms Radius | Conductivity | Abundance


Name: Titanium Symbol: Ti
Group: Trans. Met. Atomic weight: 47.90
Density @ 293 K: 4.50 g/cm3 Atomic volume: 10.64 cm3/mol
Group: Trans. Met. discovered: 1791


state (s, l, g): s
melting point: 1933.2 K boiling point: 3558 K
Heat of fusion: 15.450 kJ/mol Heat of vaporization: 421.00 kJ/mol


1st ionization energy: 658 kJ/mole
electronegativity: 1.54 2nd ionization energy: 1310.3 kJ/mole
electron affinity: 7.6 kJ/mole 3rd ionization energy: 2652.5 kJ/mole
Specific heat: 0.52 J/gK heat atomization: 470 kJ/mole atoms

Oxidation & Electrons:

Shells: 2,8,10,2 electron configuration: [Ar] 3d2 4s2
minimum oxidation number: -1 maximum oxidation number: 4
min. common oxidation no.: 0 max. common oxidation no.: 4

Appearance & Characteristics:

structure: hcp: hexagonal close pkd color: gray
uses: steel,white pigment(TiO2) toxicity:
hardness: mohs characteristics: max strength/weight ratio


reaction with air: mild, w/ht =>TiO2, TiN
reaction with 6M HCl: none reaction with 6M HCl: none
reaction with 15M HNO3: passivated reaction with 6M NaOH: none

Other Forms:

number of isotopes: 5 hydride(s): TiH2
oxide(s): TiO Ti2O3 TiO2 + more chloride(s): TiCl2 TiCl3 TiCl4


ionic radius (2- ion): pm ionic radius (1- ion): pm
atomic radius: 147 pm ionic radius (1+ ion): pm
ionic radius (2+ ion): 100 pm ionic radius (3+ ion): 81 pm


thermal conductivity: 21.9 J/m-sec-deg
electrical conductivity: 23.81 1/mohm-cm polarizability: 14.6 A^3


source: Ilmenite, rutile(oxide)
rel. abund. solar system: 3.380 log abundance earth's crust: 3.8 log
cost, pure: 6.1 $/100g cost, bulk: $/100g