An Isoelectronic Series Is

Multiple Choice

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.