ChEM: ground state eltron configuration

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NickP717
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Homework Statement



Al3+
N3-
Li+
Au+
Sr2+
Mn2+
Tl+
Br -

Homework Equations





The Attempt at a Solution



no clue, the positives and negatives are messing me up
 

Discussion

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Do you understand what the positives and negatives mean?
 

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