Adjective
English Wikipedia has an article on:isoelectronicWikipedia
isoelectronic (not comparable)
(chemistry, of two compounds) Having the same electronic configuration, although consisting of different elements.
Ammonia borane is isoelectronic with ethane.
By contrast, the isoelectronic dinitrogen molecule has no dipole moment. Source: Internet
The bond lengths and bond angles in pyridine and pyridinium are almost identical. citation The pyridinium cation is isoelectronic with benzene. Source: Internet
It exists in various crystalline forms that are isoelectronic to a similarly structured carbon lattice. Source: Internet