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Which of the following figures represents (a) a pure element, (More than one picture might fit each description.)
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Which of the following figures represents (a) a pure element, (More than one picture might fit each description.)
Which of the following figures represents (d) a mixture of an element and a compound? (More than one picture might fit each description.)
Which of the following figures represents (c) a pure compound, (More than one picture might fit each description.)
Which of the following diagrams represents a chemical change?