Problem: Which of the following ions have noble gas electron configurations?a. Fe2+, Fe3+, Sc3+, Co3+b. Tl+, Te2—, Cr 3+c. Pu4+, Ce4+, Ti4+d. Ba2+, Pt2+, Mn2+

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FREE Expert Solution

We’re being asked to determine which ions have noble gas electron configurations

For this, we shall do the following:

Step 1: Find the number of electrons in the ions.

Step 2: Check the number of electrons against the noble gases in the periodic table.


The noble gases in the periodic table are:

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Problem Details

Which of the following ions have noble gas electron configurations?

a. Fe2+, Fe3+, Sc3+, Co3+
b. Tl+, Te2—, Cr 3+
c. Pu4+, Ce4+, Ti4+
d. Ba2+, Pt2+, Mn2+