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What Do You Understand by Isoelectronic Species? Name a Species that Will Be Isoelectronic with the Following Atom Or Ion Rb+ - CBSE (Science) Class 11 - Chemistry

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Question

What do you understand by isoelectronic species? Name a species that will be isoelectronic with the following atom or ion:-

Rb+

Solution

Atoms and ions having the same number of electrons are called isoelectronic species.

Rbion has 37 – 1 = 36 electrons. Thus, the species isoelectronic with it will also have 36 electrons. Some of its isoelectronic species are Br ion (35 + 1 = 36 electrons), Kr (36 electrons), and Sr2+ ion (38 – 2 = 36 electrons).

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 NCERT Solution for Chemistry Textbook for Class 11 (2018 to Current)
Chapter 3: Classification of Elements and Periodicity in Properties
Q: 11.4 | Page no. 93

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Solution What Do You Understand by Isoelectronic Species? Name a Species that Will Be Isoelectronic with the Following Atom Or Ion Rb+ Concept: Periodic Trends in Physical Properties of Elements - Ionic Radius.
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