Titanium
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Titanium is a chemical element; it has symbol Ti and atomic number 22. Found in nature only as an oxide, it can be reduced to produce a lustrous transition metal with a silver color, low density, and
Titan crystal bar
Titanium(III) compounds are characteristically violet, illustrated by this aqueous solution of titanium trichloride.
Martin Heinrich Klaproth named titanium for the Titans of Greek mythology.
Titanium "sponge", made by the Kroll process
Vanadium
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Vanadium is a chemical element; it has symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely found in nature, but once isolated artificia
Titanium
…catalysts; and titanium trichloride (TiCl3), which is used as a catalyst in the production of polypropylene. Titanium can be alloyed with iron, aluminium, vanadium, and molybdenum, among other elements. The resulting titanium alloys are strong, lightweight, and versatile, with applications including aerospace (jet…
Vanadium crystal bar and 1cm 3 cube
Polycrystalline high-purity (99.95%) vanadium cuboids, ebeam remelted and macro-etched
![From left: [V(H2O)6]2+ (lilac), [V(H2O)6]3+ (green), [VO(H2O)5]2+ (blue) and [VO(H2O)5]3+ (yellow)](https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Vanadiumoxidationstates.jpg/500px-Vanadiumoxidationstates.jpg)
From left: [V(H2O)6]2+ (lilac), [V(H2O)6]3+ (green), [VO(H2O)5]2+ (blue) and [VO(H2O)5]3+ (yellow)
Vanadium crystal