What is the Isoelectronic Series?
Introduction
All members of an isoelectronic series have the same number of electrons.
Example:
O2−, F−, Na+, Mg2+, Al3+ (Having all 10 electrons)
As the nuclear charge increases in an isoelectronic series, ions become smaller:
O2− > F− > Na+ > Mg2+ > Al3+
Exercise-2 on Comparing Sizes of Atoms and Ions of an Isoelectronic Series
Exercise-2: Cations and Anions of an Isoelectronic Series
Check your answers here:
Solutions
Exercise-3 on Comparing Sizes of Atoms and Ions of an Isoelectronic Series
Exercise-3: Cations and Anions of an Isoelectronic Series
Check your answers here:
Solutions
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