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Cation vs Anion
Review of Cations and Anions
Question | Answer |
---|---|
ion takes electron configuration of noble gas before it | cation |
ion charge equals its group number minus 8 | anion |
ion takes electron configuration of noble gas that is after it | anion |
groups 1A, 2A , 3A | cation |
number of valence electrons equals its group number | cation and anion |
ion charge equals its group number | cation |
groups 5A, 6A, 7A | anion |
ions formed from metals | cation |
ions formed from nonmetals | anion |