Materials Science : Properties of Titanium Quiz

Quiz
*Theme/Title:	Properties of Titanium
* Description/Instructions
Titanium (Ti), atomic number 22 and atomic mass 47.9, is a transition metal. Titanium is a transition metal located in the d-block of the periodic table. This means that its outer shell is filled with electrons before the inner shells are completely occupied. Titanium is a shiny metal. It is strong, lustrous, lightweight, abundant in nature and is corrosion-resistant. It has a very high melting point. In spite of it being a metal, it is not a good conductor of electricity. Pure titanium is not soluble in water but is soluble in concentrated acids. This metal forms a protective oxide coating (leading to corrosion-resistance) when exposed to elevated temperatures in air but at room temperatures it resists tarnishing. The main oxidation state is 4+, although the 3+ and 2+ are also known, but are less stable. Titanium dioxide was once used as a bleaching agent in porcelain enamels, which made them bright, hard and resistant to acid. It's also used in the making of lipstick. Titanium alloys are characterized by very high tensile strength even at high temperatures, are lightweight and have the ability to withstand extreme temperatures. Due to these properties, titanium is used in aircraft, pipes for power plants, armor plating, naval ships, spacecraft and missiles. Titanium is as strong as steel but it is lighter. In medicine, titanium is used to make hip and knee replacements, pacemakers, bone-plates, screws and cranial plates for skull fractures. For the following quiz, review the above summary to assist you in answering the question. Select the best choice from the given answers.
Group:	Science Science Quizzes
Topic:	Materials Science

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