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Helium

  • Symbol: He

  • Atomic Number: 2

  • Atomic Mass: 4.003

  • Electronegativity: N/A

  • Valence electrons: 2

  • Melting point: -272.2 degrees Celsius

  • Discoverer: Pierre Janssen & Norman Lockyer

  • Group: 8 - Noble gases

  • Best react with: N/A

TWO HELIUM ATOMS WERE ACTING FUNNY. HeHe.

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