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isoelectronic

[ahy-soh-i-lek-tron-ik, -ee-lek-] /ˌaɪ soʊ ɪ lɛkˈtrɒn ɪk, -ˌi lɛk-/
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.
Origin of isoelectronic
1925-1930
1925-30; iso- + electronic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for isoelectronic

isoelectronic

/ˌaɪsəʊɪlɛkˈtrɒnɪk/
adjective
1.
(of atoms, radicals, or ions) having an equal number of electrons or a similar configuration of electrons
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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