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Variable Oxidation States

Alkali metals...

Question

Alkali metals are paramagnetic not their metals

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Solution

All thealkali metals are paramagneticbecause of the presence of one valence electron in the valence shell. Thealkali metalcations i.e. Li+, Na+, K+, Rb+and Cs+all arediamagneticbecause of absence of unpaired electrons. Therefore,theirsalts donotshowparamagneticproperty

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