Chemistry: Principles and Practice (3rd Edition)

Published by Cengage Learning
ISBN 10: 0534420125
ISBN 13: 978-0-53442-012-3

Chapter 2 - Atoms, Molecules, and Ions - Questions and Exercises - Exercises - Page 84: 2.44


Atomic mass = 63.55 u. The element is copper (Cu).

Work Step by Step

Atomic mass of the element = $(\frac{30.83}{100}\times64.9278u)+(\frac{100.00-30.83}{100}\times62.9396u)$ = 63.55u The element with atomic mass 63.55 u is copper and its symbol is Cu (Refer Periodic Table)
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