Titanium is element 22, a transition metal of the d block, in group 4, period 4. Its ground-state configuration is [Ar] 3d2 4s2, and it usually shows the oxidation states 0, 2, 3, 4.
It was discovered in 1791, by Gregor and Klaproth.
Name origin: Titans, the sons of the Earth goddess of Greek mythology.
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