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Which statement best describes how an element and a compound differ?
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3. Matter and Energy
Classification of Matter
Multiple Choice
In the context of classifying matter, steel is an alloy mainly composed of which element?
A
Carbon (C)
B
Iron (Fe)
C
Copper (Cu)
D
Aluminum (Al)
검증된 단계별 안내1
Understand that steel is a type of alloy, which means it is a mixture of two or more elements, typically metals.
Recall that the primary element in steel is a metal that provides its main structural properties.
Identify the common metals listed: Carbon (C) is a non-metal, Copper (Cu) and Aluminum (Al) are metals but not the main component of steel.
Recognize that Iron (Fe) is the base metal in steel, with carbon added in small amounts to improve strength and other properties.
Conclude that steel is mainly composed of Iron (Fe), making it the primary element in this alloy.
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