Scandium Vanadium

Titanium (Ti)

From Wikipedia, the free encyclopediaTitanium is a chemical element with symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density and high strength. It is highly resistant to corrosion in sea water, aqua regia and chlorine.

Titanium in the periodic table

Symbol

Atomic number

Group

Period

Block

Element category

Transition Metal

Physical properties

Phase at STP

Solid

Density

4.506 g/cm³

Atomic weight

47.8671 u

Melting point

1941 K
1667.85 °C
3034.13 °F

Boiling point

3560 K
3286.85 °C
5948.33 °F

Atomic properties

Electronegativity (Pauling Scale)

1.54

Electron affinity

7.289 kJ/mol

Oxidation states

−2, −1, 0, +1, +2, +3, +4
(an amphoteric oxide)

Ionization energies

1	658.8 kJ/mol
2	1309.8 kJ/mol
3	2652.5 kJ/mol
4	4174.6 kJ/mol
5	9581 kJ/mol
6	11533 kJ/mol
7	13590 kJ/mol
8	16440 kJ/mol
9	18530 kJ/mol
10	20833 kJ/mol
11	25575 kJ/mol
12	28125 kJ/mol
13	76015 kJ/mol
14	83280 kJ/mol
15	90880 kJ/mol
16	100700 kJ/mol
17	109100 kJ/mol
18	117800 kJ/mol
19	129900 kJ/mol
20	137530 kJ/mol
21	602930 kJ/mol
22	639294 kJ/mol

Electron configuration

Elektronkonfiguration (shorthand)

[Ar] 3d² 4s²

Electron configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 3d² 4s²

Electrons per shell

2, 8, 10, 2

History

Discovered

1791

Discovered by

William Gregor

Named by

Martin Heinrich Klaproth