allerySpecies with the same number of electrons are called:
AIsoelectronic
BIsotopic ones
CIsobaric ones
DIsomeric ones
Answer & Solution
Correct answer: A. Isoelectronic
1. The count of electrons is what these species share.
2. Their nuclear charges still differ.
3. They are called isoelectronic species.
_Source: syllabus Chemistry Part I, Chapter 3, Classification of Elements and Periodicity in Properties._
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