Titanium was first discovered in Cornwall, Great Britain, by William Gregor in 1791.
Atomic number: 22
Atomic weight: 47.867
Group, period, block: 4, 4, d
Color: silvery grey-white metallic
Classification: transition metal
Electron configuration: 3d2 4s2
Density: 4.506 g/cm-3
Melting point: 1941 K, 1668 °C, 3034 °F
Boiling point: 3560 K, 3287 °C, 5949 °F
Oxidation states: 4, 3, 2, 1
Electronegativity: 1.54 (Pauling scale)
Ionization energies: 1st: 658.8 kJ·mol-1
Covalent radius: 160±8 pm
Van der Waals radius: no data
There are five naturally occurring isotopes of potassium titanium exist. They are 46Ti, 47Ti,48Ti, 49Ti, and 50Ti.
The most abundant of these is 48Ti. It makes up about 75 percent of all titanium found in nature.