isoelectronic
Americanadjective
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noting or pertaining to atoms and ions having an equal number of electrons.
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noting or pertaining to atoms, radicals, or ions having either an equal number of electrons or an equal number of valence electrons.
adjective
Etymology
Origin of isoelectronic
First recorded in 1925–30; iso- + electronic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Ca2+ ion is therefore isoelectronic with the noble gas Ar.
From Textbooks ● Feb. 14, 2019
The greater the nuclear charge, the smaller the radius in a series of isoelectronic ions and atoms.
From Textbooks ● Feb. 14, 2019
Atoms and ions that have the same electron configuration are said to be isoelectronic.
From Textbooks ● Feb. 14, 2019
For atoms or ions that are isoelectronic, the number of protons determines the size.
From Textbooks ● Feb. 14, 2019
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
