One of its two liquid forms is a superfluid that can creep up the side of a container and flow with no viscosity.
The element with the highest first ionization energy, it cannot be frozen at atmospheric pressure. One of its two liquid forms is a superfluid that can creep up the side of a container and flow with no viscosity. The second most abundant element in the universe, with a nucleus equivalent to an alpha particle, for 10 points, name this element, the lightest of the noble gases.
The element with the highest first ionization energy, it cannot be frozen at atmospheric pressure.
{Helium}