Explore Magnesium
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Questions and Answers

How is magnesium obtained mainly?

  • By chemical synthesis
  • By extraction from seawater (correct)
  • By mining deep underground
  • By recycling old magnesium products
  • What is the atomic number of magnesium?

  • 8
  • 16
  • 20
  • 12 (correct)
  • What oxidation state does magnesium almost always have?

  • -2
  • -1
  • +2 (correct)
  • +1
  • How is magnesium primarily used in alloys?

    <p>To enhance strength and reduce weight</p> Signup and view all the answers

    How is magnesium produced in the cosmos?

    <p>By addition of helium nuclei to a carbon nucleus</p> Signup and view all the answers

    What is another name for mechanical longitudinal waves?

    <p>Compressional waves</p> Signup and view all the answers

    What type of wave is characterized by displacements of the medium at right angles to the direction of propagation?

    <p>Transverse wave</p> Signup and view all the answers

    Which type of wave is visualized by the movement of a stretched Slinky toy where the distance between coils increases and decreases?

    <p>Longitudinal wave</p> Signup and view all the answers

    What are seismic P-waves primarily associated with?

    <p>Earthquakes and explosions</p> Signup and view all the answers

    Which type of wave describes vibrations in pressure, particle displacement, and particle velocity propagated in an elastic medium?

    <p>Sound waves</p> Signup and view all the answers

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