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Science EducationPrivacy and Security Notice Its Elemental Previous Element (Hydrogen) The Periodic Table of Elements Next Element (Lithium) The Element Helium [Click for Isotope Data] 2 He Helium 4.002602 Atomic Number: 2 Atomic Weight: 4.002602 Melting Point: 0.95 K (-272.2°C or -458.0°F) Boiling Point: 4.22

Helium - Element information, properties and uses | Periodic Table rsc.org Aboutus Membership &professional community Campaigning& outreach Journals, books& databases Resources& tools News &events Locations &contacts           You do not ha

Helium is a chemical element with symbol He and atomic number It is a colorless, odorless, tasteless, non-toxic, inert , monatomic gas , the first in the noble gas group in the periodic table . The He boiling and melting points are the lowest among all the elements . Helium is the second lightest element and is the sec