Why is titanium called a "space metal"?
Titanium is a metal chemical element, English name: Titanium, chemical symbol Ti, atomic number 22, melting point 1660℃, boiling point 3287℃, density 4.506g/cm, belonging to the IVB group of metal elements on the periodic table. Discovered by Gregor in 1791, it is a silver-white transition metal characterized by its light weight, great strength, and excellent …