Question

Why is hydrogen included in the reactivity series although it is not a metal?

Answer 1

Answer:

Hydrogen is included in the reactivity series of metals because it's property of electroposivity (i.e losing electron to form positive ion) is similar to that of metals.

Answer 2

Answer:

Sometimes hydrogen do so metallic character. If you have observed HCL. In this the hydrogen ion is H+ while the Cl-

Thus, when hydrogen come in contact with the non-metal it shows metallic character. When hydrogen get the substance which gain one electron at that time hydrogen loses one electron. And we know that the element which loses electron are metals