isoelectronic

[ ahy-soh-i-lek-tron-ik, -ee-lek- ]

adjective

, Physics, Chemistry.

1. noting or pertaining to atoms and ions having an equal number of electrons.
2. noting or pertaining to atoms, radicals, or ions having either an equal number of electrons or an equal number of valence electrons.

isoelectronic

/ ˌaɪsəʊɪlɛkˈtrɒnɪk /

adjective

1. (of atoms, radicals, or ions) having an equal number of electrons or a similar configuration of electrons

Word History and Origins

Origin of isoelectronic¹

First recorded in 1925–30; iso- + electronic