Multiple Choice
In the classification of matter, how is a compound different from an element?
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3. Matter and Energy
Classification of Matter
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In the context of classifying matter, pencil “lead” is primarily graphite, which is carbon. How should pencil lead be classified?
A
Compound (made of two or more different elements chemically bonded)
B
Homogeneous mixture (uniform mixture of multiple substances)
C
Element (carbon, graphite)
D
Heterogeneous mixture (non-uniform composition)
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