Answer
The composition of purple gold is not variable as it is an intermetallic compound. Purple gold is very brittle, and is therefore ill suited to form rings or necklaces.
Work Step by Step
Intermetallic compounds have a set composition.
Chemistry: The Central Science (13th Edition)
by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.
Published by
Prentice Hall
ISBN 10:
0321910419
ISBN 13:
978-0-32191-041-7
Chapter 12 - Solids and Modern Materials - Exercises - Page 524: 12.44
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