SAT High School

all of the following pairs of ions are isoelectronic except which one?

Answers

Answer 1

The pair of ions that are not isoelectronic is  Fe2+ and Mn3+.

Why is this so?

Isoelectronic ions have the same number of electrons as other ions. We must carefully examine the possibilities in order to determine which species are not isoelectronic.

When we count the number of electrons in each pair of ions, we find that Fe2+ has 24 electrons and Mn3+ has 22 electrons. These two species are not isoelectronic because they do not have the same amount of electrons.

So it is correct to state that the pair of ions that are not isoelectronic is  Fe2+ and Mn3+.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

All of the following pairs of ions are isoelectronic except which one?

A) Al+ and N3-

B) Fe2+ and Co3+

C) Fe2+ and Mn3+

D) K+ and Ca2+

E) Zn2+ and Cu+

Related Questions

sun dolphin journey 10-foot sit-on-top fishing kayak

Answers

Answer:A sundolphhin?

Explanation:

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