Line Spectrum and Element Identification Quiz
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Questions and Answers

What is the term used to describe the head to head overlapping of half filled atomic orbitals in the formation of a covalent bond?

  • Atomic bond
  • Overlap bond
  • Pi bond
  • Sigma bond (correct)

In the formation of a sigma bond, where is the electron density found to be highest?

  • Within the nucleus
  • Between the bonded nuclei (correct)
  • Inside the atomic orbitals
  • Outside the nuclei

Which type of overlapping results in the formation of an H-H sigma bond in a hydrogen molecule?

  • Overlap of s orbitals (correct)
  • Pi bond overlap
  • Overlap of p orbitals
  • Overlap of d orbitals

What is the defining characteristic of a sigma bond?

<p>Head to head overlapping (D)</p> Signup and view all the answers

Which term describes the bond formed by linear overlapping of atomic orbitals along the line joining two nuclei?

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

According to Lewis' concept for covalent bond formation, what does it not describe?

<p>Bond energies and strength (D)</p> Signup and view all the answers

Which theory describes how covalent bonding occurs through the overlapping of atomic orbitals?

<p>Valence Bond Theory (VBT) (A)</p> Signup and view all the answers

In Valence Bond Theory, what is the main reason for the formation of a covalent bond between atoms?

<p>Overlap of half-filled atomic orbitals (B)</p> Signup and view all the answers

What determines the strength of a covalent bond according to Valence Bond Theory?

<p>Extent of orbital overlap (C)</p> Signup and view all the answers

In Valence Bond Theory, what should be the spin orientation of electrons in both overlapped orbitals?

<p>Opposite spin (D)</p> Signup and view all the answers

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