Answer
Recall that reducing agents are oxidized (give up electrons). Group IA metals have to give up electrons to achieve stability by forming the next full valence shell, unlike Group 7A nonmetals which need to gain electrons to achieve stability.
Work Step by Step
Recall that reducing agents are oxidized (give up electrons). Group IA metals have to give up electrons to achieve stability by forming the next full valence shell, unlike Group 7A nonmetals which need to gain electrons to achieve stability.