W1-Atomic Structure and Bonding
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W1-Atomic Structure and Bonding

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Questions and Answers

How many valence electrons does a Carbon atom have?

  • 2
  • 8
  • 6
  • 4 (correct)
  • What is the number of valence orbitals in the third period of the Periodic Table?

  • 6
  • 3
  • 18 (correct)
  • 9
  • Which type of bonding results from the sharing of two electrons between two atoms?

  • Metallic Bonding
  • Hydrogen Bonding
  • Covalent Bonding (correct)
  • Ionic Bonding
  • What is the melting point of NaCl?

    <p>+801°C</p> Signup and view all the answers

    How many valence electrons do 6A elements have for covalent bonding?

    <p>2</p> Signup and view all the answers

    What is the atomic number?

    <p>The number of protons in the nucleus of an atom</p> Signup and view all the answers

    What is the mass number?

    <p>The sum of protons and neutrons in the nucleus of an atom</p> Signup and view all the answers

    What is the atomic weight?

    <p>The average mass of all isotopes of an element</p> Signup and view all the answers

    What is the molecular weight of CH4?

    <p>$16.043 amu$</p> Signup and view all the answers

    How many degenerate p-orbitals are there in the third and higher shells?

    <p>$3$</p> Signup and view all the answers

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