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Chapter 8: Problem 24

What do we mean when we say that two ions or an atom and an ion are isoelectronic?

Short Answer

Expert verified
Isoelectronic refers to having the same total number of electrons. For example, the Oxygen ion O2- and Neon atom Ne are isoelectronic, both having 10 electrons.

Step by step solution

01

Define Isoelectronic

Isoelectronic refers to atomic or ionic species that have the same number of electrons, regardless of their atom/ion type or the structure of these atoms or ions. It's about an equal total number of electrons.
02

Provide Examples

For instance, Oxygen (O) with an atomic number of 8 and two negative charges (O2-) has a total of 10 electrons. Similarly, Neon (Ne) which is a noble gas with an atomic number of 10 also has 10 electrons. Thus, we could say that O2- and Ne are isoelectronic because they have the same total number of electrons.
03

Summarize the concept of Isoelectronic

In conclusion, any two ions or an atom and an ion are said to be 'isoelectronic' if they have the same total number of electrons, disregarding the nature or structure of these atomic or ionic species.

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Most popular questions from this chapter

Based on your knowledge of the chemistry of the alkali metals, predict some of the chemical properties of francium, the last member of the group.

Draw a rough sketch of a periodic table (no details are required). Indicate where metals, nonmetals, and metalloids are located.

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In which of these are the species written in decreasing radius? (a) \(\mathrm{Be}, \mathrm{Mg}, \mathrm{Ba}\) (b) \(\mathrm{N}^{3-}, \mathrm{O}^{2-}, \mathrm{F}^{-}\) (c) \(\mathrm{Tl}^{3+}, \mathrm{Tl}^{2+}, \mathrm{Tl}^{+}\)

Write the outer electron contigurations for (a) the alkali metals, (b) the alkaline earth metals, (c) the halogens, (d) the noble gases.
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