Lithium Hydride
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Questions and Answers

Which of the following is true about lithium hydride?

  • It has a low melting point
  • It is soluble in molten lithium fluoride
  • It is soluble in all protic organic solvents
  • It is a diamagnetic material (correct)
  • What is the molar mass of lithium hydride?

  • < 1% at 350 °C
  • 7.95 g/mol (correct)
  • 13.0 (static, low frequencies)
  • 2×10−5 Ω−1cm−1
  • What is the dielectric constant of lithium hydride at visible-light frequencies?

  • 3.6 (correct)
  • 2×10−5 Ω−1cm−1
  • > 100% at 475 °C
  • 13.0
  • What is the Mohs hardness of lithium hydride?

    <p>3.5</p> Signup and view all the answers

    At what temperature does the conductivity of lithium hydride reach 0.18 Ω−1cm−1?

    <p>754 °C</p> Signup and view all the answers

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