Titanium is a very strong metal. It is chemical element number 22 on the periodic table. Its symbol is Ti, and it is used in making the strongest and lightest parts of modern fighter jet planes. It does not corrode, including resistance to sea water and chlorine. However, it can burn at high temperatures, and titanium dust is extremely flammable. It has 22 electrons, 22 protons and 26 neutrons. Titanium was discovered in 1791 by William Gregor.
Titanium Dioxide (TiO2) is a white pigment (color) that is often used to make thing less see-through. It is sometimes used in food.