Imagine that we have got some vessel under standard temperature and pressure filled with atomic Hydrogen inside and the electrons of these atoms have got the same spin and therefore they cannot join into Hydrogen molecules, so the process of recombination does not occur. Then we begin cooling the vessel lower 20.28 K (boiling point for molecular Hydrogen) temperature. The question is-what will happen? Will the atomic Hydrogen liquefy or will it remain in gaseous condition? Or maybe it will be turned into molecular Hydrogen?