Multiple choice

Which of the following is not a property of metals?

  1. Lustrous

  2. Malleable

  3. Opaque

  4. Brittle
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metals typically share several characteristic properties: they are lustrous (shiny), malleable (can be hammered into sheets), ductile (can be drawn into wires), good conductors of heat and electricity, and mostly opaque. Brittleness is NOT a property of metals - brittle materials break or shatter when stressed instead of deforming. Brittleness is actually a characteristic of non-metals like sulfur or phosphorus. Therefore brittle is the property that does not belong with metals.

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