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20 November, 22:21

How to find the valency of iron

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  1. 20 November, 22:33
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    When iron loses the 2 4s electrons, it attains a valency of + 2. Sometimes, iron will also lose one of the paired electrons from 3d orbital, leaving the entire 3d orbital filled with unpaired electrons (which provides a more stable configuration). In this case, its valency will be + 3.
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