Tin or Titanium is a METAL and an ELEMENT. Tin is a soft, silvery-white METAL that is very light in weight and has a low melting point. It is often used in food containers, cans, and other products that require a protective coating. Titanium is a strong, lightweight METAL that is resistant to corrosion and has a high melting point. It is used in aircraft, spacecraft, and medical implants due to its strength and durability.