Atoms to Molecules: Valency and Bonding Electrons
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Questions and Answers

What is the hybridization of a carbon atom in methane?

  • sp3 (correct)
  • sp2
  • s
  • sp
  • What is the geometry of a sp2 hybridized carbon atom?

  • Octahedral
  • Trigonal Planar (correct)
  • Linear
  • Tetrahedral
  • In ethene, how many sigma bonds are formed by each carbon atom?

  • 3 (correct)
  • 1
  • 4
  • 2
  • What type of bond is formed by the head-on overlap of atomic orbitals?

    <p>Sigma bond</p> Signup and view all the answers

    Why does a sp3 hybridized carbon atom have a tetrahedral geometry?

    <p>To minimize repulsion between orbitals</p> Signup and view all the answers

    Which type of hybridization is found in compounds where carbon forms a double bond?

    <p>sp2</p> Signup and view all the answers

    How many unpaired electrons are expected in the ground state electron configuration of B?

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

    Why does carbon form 4 covalent bonds even though its ground state electronic configuration suggests only two unpaired electrons?

    <p>It undergoes a process of electron promotion.</p> Signup and view all the answers

    What is the valency of Carbon in terms of the number of bonds it can form?

    <p>4</p> Signup and view all the answers

    What type of energy orbitals form equal energy bonds?

    <p>Filled s orbitals</p> Signup and view all the answers

    What happens to Be and B regarding their electron configurations for bonding?

    <p>They undergo a process of electron promotion.</p> Signup and view all the answers

    Which element is tetravalent and can form 4 covalent bonds?

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

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