Which titanium oxidation state is the most stable?

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A periodic table element tile for titanium displays its atomic number 22, symbol Ti, atomic weight 47.867, electron configuration, and name. Icons indicate it is a solid, transition metal with a hexagonal crystal structure and equal relative strength. — titanium Properties of titanium.

The most stable oxidation state for the chemical element titanium is +4.1

While titanium can exhibit oxidation states of +2, +3, and +4 in its compounds, the +4 state is the most stable and is represented in important compounds such as titanium dioxide (TiO₂).1