Hydrogen has long been claimed as an Alkali metal but the fact that it is not present in solid form somewhat deceived all of us.
Somehow researchers at Max-Planck Institute have achieved an amazing feat by successfully turning hydrogen gas into a metal.
However, not everybody is convinced with this claimed success. People are arguing over the eligibility of Hydrogen as a metal i.e. if it is a metal it should be able to conduct heat and electricity, it should also be somewhat malleable to some degree and the obvious criteria of it being a solid.