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in Periodic Table and Electronic Configuration by (37.7k points)
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Complete the table

Compound Oxidation state of Fe   Symbol of Fe ions
FeCl2
FeCl3

How does Fe change to Fe2+ ?

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Compound Oxidation state of Fe   Symbol of Fe ions
FeCl2 +2 Fe2+
FeCl3 +3 Fe3+

By losing 2 electrons from 4s valence subshell

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