In which of the properties listed below, hydrogen does not show similarity with alkali metals ?
Its electropositive character
Its affinity towards non-metal
Its reducing character
Its non-metallic character
Hydrogen is also electropositive in nature like alkali metals. It reduces to Unipositive ion like alkali metals. Being electronegative in nature, it shows affinity towards non-metals to form covalent or ionic bond with them. Hydrogen is a nonmetal unlike all other members of Group 1 (alkali metals).