Physical And Chemical Properties Of Helium. The physical properties of helium are nothing but the characteristics that are seen without changing the substance into another. It has a number of unusual properties.
It is from the group called noble gases in the periodic table. Helium can solidify at higher temperature under high pressure. Helium is an inert (nobel) gas under all standard conditions [5].
Elements with similar chemical properties would be the rest.
They are used in metal industries. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Helium has physical properties like density, boiling point, conductivity etc. The element has an atomic mass of 4.0026 grams per mole and is a gas at almost all temperatures and pressure conditions.