The electron affinities, in kJ / mol, for the group 1B and group 2B metals are (a)

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The electron affinities, in kJ / mol, for the group 1B and group 2B metals are

(a) Why are the electron affinities of the group 2B elements greater than zero?
(b) Why do the electron affinities of the group 1B elements become more negative as we move down the group?

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Chemistry The Central Science

ISBN: 978-0321696724

12th edition

Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward

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Question Posted: Apr 19, 2016 07:11 AM

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The electron affinities, in kJ / mol, for the group 1B and group 2B metals are (a)

Question:

Cu Zn -119 0 Ll Ag Cd -1260 AuHg -223 0

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a The group 2B metals have complete nl d subshells An additional electron would occupy an np su...View the full answer

Chemistry The Central Science

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