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What elements are gases?


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Answered 2009-11-02 22:40:00

In STP, the 12 elements (symbol, atomic number)

  • hydrogen (H, 1)
  • helium (He, 2)
  • boron (B, 5)
  • nitrogen (N, 7)
  • oxygen (O, 8)
  • fluorine (F, 9)
  • neon (Ne, 10)
  • chlorine (Cl, 17)
  • argon (Ar, 18)
  • krypton (Kr, 36)
  • xenon (Xe, 54)
  • radon (Rn, 86)

are all gaseous.

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