# Problem: What are the observed periodic trends in electron affinity? Check all that apply.a. For main-group elements, electron affinity generally becomes more negative as you move to the right across a rowb. For main-group elements, electron affinity generally becomes more positive as you move to the right across a rowc. There is not a corresponding trend in electron affinity going right across a rowd. For main-group elements, electron affinity generally becomes more negative as you move down a columne. For main-group elements, electron affinity generally becomes more positive as you move down a columnf. There is not a corresponding trend in electron affinity going down a column

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Electron affinity - energy required to add an electron to a gaseous atom

Electron Affinity general trend:

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###### Problem Details

What are the observed periodic trends in electron affinity? Check all that apply.

a. For main-group elements, electron affinity generally becomes more negative as you move to the right across a row

b. For main-group elements, electron affinity generally becomes more positive as you move to the right across a row

c. There is not a corresponding trend in electron affinity going right across a row

d. For main-group elements, electron affinity generally becomes more negative as you move down a column

e. For main-group elements, electron affinity generally becomes more positive as you move down a column

f. There is not a corresponding trend in electron affinity going down a column

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trend: Electron Affinity concept. You can view video lessons to learn Periodic Trend: Electron Affinity Or if you need more Periodic Trend: Electron Affinity practice, you can also practice Periodic Trend: Electron Affinity practice problems .

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Based on our data, we think this problem is relevant for Professor Ernst's class at UTAH.