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Which one of the following statements are correct regarding alkali metals ?

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They all have one losely held valence electron in the outer shell

They form univalent, ionic and colourless compounds

Their metal salts are unstable

Their hydroxides and oxides are very strong bases

answer is A, B, D.

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Detailed Solution

They all have one losely held valence electron in the outer shell

They form univalent, ionic and colourless compounds

Their hydroxides and oxides are very strong bases

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