Answer by
Bibitha (17)
Hydrogen(Symbol H, atomic number 1). It reacts with metals and forms hydrides, where oxidation state of hydrogen is +1. It shows -1 oxidation state in compounds like hydrogen halides.It forms hydrogen bonds with compounds containing electronegative atoms like Fluorine,Oxygen and Nitrogen. It is used as a reducing agent.It reacte violently with air, Oxygen and halogens.