Chemistry - Complete s-block Question with Solution | TestHub

Molecular hydrogen is${\mathrm{H}}_2$and it can assume${\mathrm{H}}^{+}$or${\mathrm{H}}^{-}$depending upon the type of other element with which it can combine. It can be${\mathrm{H}}^{+}$with more electronegative elements then it like F, O, N, Cl and${\mathrm{H}}^{-}$with less electronegative elements then it like alkali metals (NaH etc.).