Find the valency of Iron by electronic configuration
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by electronic configuration we need to take the last valency shell electrons make it in stable
sub the electron from 8
sub the electron from 8
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IRON ATOMIC NUMBER= 26 = NUMBER OF PROTONS AND AS AN ATOM IS NUTERAL = NUMBER OF ELECTRONS
26 ELECTRONS THEREFORE ELECTRONIC CONFIGURATION IS
2, 8, 14, 2
AS IT IS EASIER FOR AN ATOM TO LOOSE 2 ATOMS RATHER THAN GAIN 6 ATOMS TO ATTAIN STABILITY (8 ELECTRONS IN OUTERMOST SHELL) VALENCY IS 2 AND AS AFTER LOOSING 2 ELECTRONS ATOM BECOMES POSITIVE VALENCY=+2
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