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Which of the following is a metal?

Answer and explanation

Correct answer: Copper

The governing concept is the classification of elements into metals and non-metals using their characteristic properties. Copper is a metal. It generally has metallic lustre, conducts heat and electricity efficiently, and is malleable and ductile, meaning it can be beaten into sheets and drawn into wires. These properties arise from the structure of metallic bonding, in which electrons can move through the material. Sulfur and oxygen are non-metals, while carbon is also classified as a non-metal even though some of its allotropes have unusual properties. The question asks which listed element belongs to the metallic class, not which one is useful or solid. Therefore option C, copper, is the only correct answer.

Related tags

Metals And NonmetalsCopperPhysical PropertiesClassification Of ElementsNature Of MatterSome Basic Concepts Of ChemistryChemistryClass 11 Mcq

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