Question

Why does hydrogen sometimes act like a metal?

Answer 1

do u mean alkali metal?

Answer 2

Hydrogen can act either like a metal or a non-metal.
Hydrogen can be either (an electron donor, typical of metals), or (an electron recipient, typical of non-metals)...

Answer 3

Hydrogen can act like a metal because it can react with non metals, such as chlorine to produce hydrogen chloride HCL (g). This is because it also has the ability like metals to lose an electron.

Answer 4

That is when \(H\) has two \(e^-\) in its valence shell...