titanium

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Symbol:

Ti

Atomic Number:

22

Relative Atomic Mass:

47.867 g mol^-1

Natural Abundance in Lithosphere, hydrosphere and atmosphere:

0.41% (mass fraction)

Electron Configuration:

[Ar]3d²4s²

Oxidation States:

IV, III

Atomic Radius:

144.8pm

Covalent Radius:

132pm

Ionic Radius:

42pm (for +4 oxidation state, 4 coordinate)

61pm (for +4 oxidation state, 6 coordinate)

Melting Point:

1660°C

Density:

4.51 g cm^-3 (at 20°C)

First Ionisation Energy:

6.82 eV

Reduction Potential:

-1.63V

for Ti²⁺ + 2e^- a Ti_(s)

Electronegativity (Allred and Rochow):

1.3

Number of Natural Isotopes:

5

Mass Number of the Most Abundant Isotopes:

46 g mol^-1 a 8.3% abundance

47 g mol^-1 a 7.4% abundance

48 g mol^-1 a 73.7% abundance