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August 31, 2014

August 31, 2014

Posted by **dave** on Wednesday, September 15, 2010 at 12:47am.

1. H + e− ! H−

2. Li + e− ! Li−

3. F + e− ! F−

4. O + e− ! O−

5. N + e− ! N−

- chemistry -
**drwls**, Wednesday, September 15, 2010 at 8:49amMy best guess would have been Li, but apparently the answer is N, which has almost zero electron affinity.

See

http://www.webelements.com/periodicity/electron_affinity/

for value for those elements. (Drag the cursor to the element.)

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