Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 1 - Chemical Foundations - Exercises - Page 38: 85



Work Step by Step

This change suggests that the chalk is composed of an compound because if this is an element, the substance would be pure and would either melt or evaporate. Because chalk is burned into white dust, it would be a compound.
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