Chemistry: The Science in Context (4th Edition)

Published by W.W. Norton & Co.
ISBN 10: 0393124177
ISBN 13: 978-0-39312-417-0

Chapter 1 - Matter and Energy: The Origin of the Universe - Problems - Page 35: 1

Answer

Compound and Element

Work Step by Step

a) This is a compound because the individual atoms are bonded to each other in a fixed proportion. This is a gas because the molecules are free. b) This is an element because the individual types of atoms are separated from each other. The red is a solid while the blue is a gas.
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