Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 9 - Problems - Page 389: 9.5


See explanation below.

Work Step by Step

1. O is less metallic than I because oxygen has 2nd highest electro-negativity in periodic table. 2. Be is less metallic than Ba because metallic character increases as we go down the group. 3. Se is less metallic than Ge due to the fact that as we move from left to right in period metallic , the character decreases.
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