Titanium

**Symbol:** Ti **Atomic number:** 22 **International name:** Titanium **Relative Atomic Weight:** 47.88 **Description:** Titanium is a lightweight metal with a gray to silvery appearance. It is an excellent conductor of heat and electricity and is highly resistant to chemical corrosion. **Applications:** Titanium is used to produce high-strength alloys for aerospace applications. It is also commonly used in the manufacture of surgical instruments, implants, and piercings because of its biocompatibility. Titanium is also used in jewelry and luxury wristwatches. **Occurrence:** Titanium is relatively abundant in the Earth's crust. Its primary minerals are ilmenite FeTiO₃ and rutile TiO₂. **Structure:** Titanium crystallizes in a hexagonal system with a primitive unit cell structure.