What is the term for a mixture of two metals that creates a material with different properties?

• A. Alloys
• B. Compounds
• C. Homogeneous mixtures
• D. Polymers

Answer: (A)

When you mix two metals to make a single material whose properties are different from either metal on its own, you’re creating an alloy. Alloying typically strengthens or hardens the material, improves durability, or changes other properties like melting point. Classic examples are steel, which blends iron with carbon (and other elements), and bronze, which blends copper with tin. This concept differs from compounds, which form fixed chemical formulas and bonds, and from polymers, which are long chains of nonmetal units. A broad homogeneous mixture could include many nonmetal combinations, but the term that specifically describes combining two metals to yield a material with new properties is alloy.