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| 1. |
Sodium vapour is paramagnetic, but cations of sodium are diamagnetic, while vapour magnesium as well as cations of magnesium are diamagnetic. Explain. |
| Answer» Solution : ATOMS or ions with UNPAIRED ELECTRONS are paramagnetic. Diamagnetism is DUE to the absence of unpaired electrons. Na VAPOUR has unpaired electrons. Hence, paramagnetic. Number of electrons in `Na^(+)` is 10. They have no unpaired electrons. Hence,diamagnetic. Both Mg and `Mg^(2+)`have | |