APFIVE Periodic Trends in Ionic Charges
Each of the following statements about predicting ionic charges from the periodic table is true EXCEPT:
| Group | Typical Ionic Charge |
|---|---|
| Group 1 (Alkali Metals) | +1 |
| Group 2 (Alkaline Earth Metals) | +2 |
| Group 17 (Halogens) | -1 |
A
Ionic charges in chemical compounds are balanced so that the overall charge of the compound is zero.
B
Main group metals tend to lose electrons, forming cations, to achieve noble gas electron configurations.
C
Transition metals typically only form cations with a charge of +1 across all compounds.
D
Nonmetals gain electrons to form anions in order to complete their valence shells.
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