An isoelectronic series is
A) a series that has two or more species that have identical nuclear charges, but have different electron configurations.
B) a series that has the same ionization potentials.
C) a series that can have only up to three species and have similar electron configuration and similar nuclear charges.
D) a series that has two or more species that have identical electron configurations, but different nuclear charges.
E) a series that has the same nuclear charge.

Question

Quizplus · Accepted Answer

An isoelectronic series is a series of atoms or ions that have the same number of electrons or the same electron configuration. However, they may have different nuclear charges. Therefore, choice D is the correct answer as it describes the definition of an isoelectronic series.

An Isoelectronic Series Is