[Krystalsnow2013]

1. How does understanding electron configuration help with understanding the trends in IONIZATION ENERGY (especially jagged appearance and drop for group 13)?

2. What is the difference between a POSITIVE and NEGATIVE electron affinity value?

3. How does understanding electron configuration help with understanding the trends in ELECTRON AFFINITY (especially how Groups 2 and 8 have positive values)?

[Borek]

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