Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Compare hydrogen with alkali metals on the basis of formation of ion.

Answer 1

Each of them can form a cation by loss of an electron.
$\text{H}$ → <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> ${\text{H}}^{+}$ + ${\text{e}}^{-}$
$\text{Li}$ → <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> ${\text{Li}}^{+}$ + ${\text{e}}^{-}$