Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 1 - Introduction: Matter and Measurement - Exercises: 1.13c

Answer

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Work Step by Step

This question deals with classifying substances as pure substances, a heterogeneous mixture, or a homogeneous mixture. The specific substance is magnesium. Magnesium is an element, meaning it is a pure substance. A pure substance has distinct chemical properties that do not vary from sample to sample. Since magnesium is an element, and elements are pure substances, magnesium is a pure substance.
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