Metals
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Questions and Answers

Which metal has a very low melting point and can melt on your palm?

  • Copper
  • Sodium
  • Aluminum
  • Gallium (correct)

    • Which non-metal is lustrous in nature?

  • Nitrogen
  • Iodine (correct)
  • Sulfur
  • Oxygen

    • Which allotrope of carbon is a conductor of electricity?

  • Diamond
  • Graphite (correct)
  • Charcoal
  • Coal

    • Which group of metals are so soft that they can be cut with a knife?

    <p>Alkali metals (lithium, sodium, potassium)</p> Signup and view all the answers

    What is the main reason for the reactivity of elements?

    <p>Tendency to attain a completely filled valence shell</p> Signup and view all the answers

    What is the charge of a sodium cation?

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

    How many electrons does chlorine require to complete its outermost shell?

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

    What is the electronic configuration of a sodium atom?

    <p>2, 8, 1</p> Signup and view all the answers

    Which element has a stable octet after losing an electron from its M shell?

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

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