Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 3 - Sections 3.1-3.12 - Exercises - Problems by Topic: 23b

Answer

1 Barium (Ba) atom 2 Chlorine (Cl) atoms

Work Step by Step

In the formula $BaCl_{2}$, there is only 1 Barium atoms because there is no subscript beside "Ba" indicating that there is only one of that atom. However, beside the chlorine atom, there is a subscript that says 2. Therefroe, there is one Ba atom and 2 Cl atoms.
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