For 10 points, name this element, atomic number 22 which us often used in aerospace applications and has symbol Ti.
This element is extracted by the Kroll process, and its dioxide exists as brookite and rutile. Its tetrachloride is used in the Mukaiyama aldol reaction. It is used with sapphire in a red light laser. Along with aluminum, this metal is found in Tebbe's reagent. Compounds of this element are used in the Ziegler-Natta catalysts. It is used as a white pigment. For 10 points, name this element, atomic number 22 which us often used in aerospace applications and has symbol Ti.
This element is extracted by the Kroll process, and its dioxide exists as brookite and rutile.
{titanium} [accept {Ti} before it is read]