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There should not be any unpaired valence electrons in a pure sample of Fe2O3: This substance is composed of Fe+3 cations and O-2 anions, in which all of the originally unpaired valence electrons in Fe and O atoms have become paired. Since Fe is a transition element, there may or may not be unpaired non-valence electrons in its inner shells.

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13y ago
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13y ago

fe electronic configuration is

1s2 2s2 2p6 3s2 3p6 4s2 3d6.

so , four electrons in the 3d- subshell are unparied.

this exhibits the paramagnetic nature of fe

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15y ago

Fluorine has 1 unpaired electron

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10y ago

there are 0 unpaired electrons

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11y ago

1

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Q: How many unpaired electrons are there in a ground state fluorine atom?
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