Problem: Which of the following is not isoelectronic with the others? S2- Ar Sc3+ Ti4+ Ga3+

FREE Expert Solution

Isoelectronic means that the ions have the same number of electrons. 


To determine which element is not isoelectronic, we will determine the number of electrons in each ion given.


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Problem Details

Which of the following is not isoelectronic with the others? 

S2- 

Ar 

Sc3+ 

Ti4+ 

Ga3+

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