General Trends Involving IEs and EAs
Reactive non-metals: Groups 6A and 7A; in their ionic compounds
they form negative ions (have high IEs and
very (-) EAs)
Reactive metals: Group 1A; in their ionic compounds, they form
positive ions (have low IEs and slightly
(-) EAs)
Noble gases: Group 8A; they do not lose or gain electrons (have very
high IEs and slightly (+) EAs)
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