Helium: Difference between revisions

{{DISPLAYTITLE:Helium}}{{PeriodicElement|name=Helium|ipa=/ˈhiːliəm/|oed=HEE-lee-um|image=HeliumGlow.jpg|symbol=He|number=2|appearance=Colorless gas|category=Noble gas|phase=Gas|density=0.1786 g/L|melting_point=0.95 K (at 2.5 MPa)|boiling_point=4.222 K|electrons=1s²|oxidation=0|electronegativity=—|atomic_radius=31 pm|notes=Nearly perfectly inert; favored in stellar-forge alchemy and high-purity arcane containment due to its stability and extremely low boiling point.|image_caption=Helium glowing pink-orange in a high-voltage discharge tube.|magical_class=DIV      <!-- Divine/light-associated; adjustable if needed -->|resonance=1|psionic_valence=-1|mass_state=I|origin=S        <!-- Starborn; produced almost entirely in stellar cores -->}}