Chemistry

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Hydrogen is a solid at low temperature and elevated pressure. Do you expect it to be a metal or an insulator?

  • Chemistry -

    It is a metal because hydrogen has a half filled s-band.

  • Chemistry -

    Helium is a solid at low temperature and elevated pressure. Do you expect it to be a metal or an insulator?
    What is the reason of answer ??

  • Chemistry -

    it's right answer? H2 is met and half filld s band?

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