Electron affinity homework 1F.11

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Lorena Zhang 4E
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Joined: Fri Sep 28, 2018 12:16 am

Electron affinity homework 1F.11

Postby Lorena Zhang 4E » Tue Oct 30, 2018 7:17 pm

The problem asks what element of each of the following pairs has the higher electron affinity: gallium or indium; beryllium or magnesium. The answer for both is equal. I don't quite understand how that works.

Andonios Karas 4H
Posts: 30
Joined: Fri Sep 28, 2018 12:27 am

Re: Electron affinity homework 1F.11

Postby Andonios Karas 4H » Thu Nov 01, 2018 12:10 am

For this question, the book is going off the electron affinities from the figure 1F.12 which shows the electron affinities of different elements. Electron affinity doesn't directly follow a trend in the periodic table except that energies are highest towards the right side of the periodic table.

Kavya Juwadi 3C
Posts: 30
Joined: Fri Sep 28, 2018 12:25 am

Re: Electron affinity homework 1F.11

Postby Kavya Juwadi 3C » Thu Nov 01, 2018 11:38 pm

In addition to the general trend of electron affinity being higher on the right, electron affinity generally decreases down a group


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