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Semi-protected edit request on 6 June 2017
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Not done, because this is not an error. Magnesium indeed has a small positive magnetic susceptibility in the metallic state and is hence paramagnetic. The "unpaired-electron" rule only really works for ions (you'll have a hard time explaining how metallic Tl and Bi are diamagnetic); while Mg2+ is indeed diamagnetic, the configuration of Mg atoms in the metal is more like [Ne]3s3p than [Ne]3s2.
Double sharp (
talk)
23:50, 6 June 2017 (UTC)reply
Semi-protected edit request on 8 November 2017
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