1.

Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements ?

Answer»

Solution :Lithium, sodium and potassium are alkali metals which REACT with water to FORM METAL hydroxides with the release of HYDROGEN gas.
`2M+2H_(2)Oto2MOH+H_(2)`
Where, M = Li, Na and K
All these metals have one electron in their respective valence SHELLS.


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