10 Questions
What is the term used to describe the head to head overlapping of half filled atomic orbitals in the formation of a covalent bond?
Sigma bond
In the formation of a sigma bond, where is the electron density found to be highest?
Between the bonded nuclei
Which type of overlapping results in the formation of an H-H sigma bond in a hydrogen molecule?
Overlap of s orbitals
What is the defining characteristic of a sigma bond?
Head to head overlapping
Which term describes the bond formed by linear overlapping of atomic orbitals along the line joining two nuclei?
Sigma bond
According to Lewis' concept for covalent bond formation, what does it not describe?
Bond energies and strength
Which theory describes how covalent bonding occurs through the overlapping of atomic orbitals?
Valence Bond Theory (VBT)
In Valence Bond Theory, what is the main reason for the formation of a covalent bond between atoms?
Overlap of half-filled atomic orbitals
What determines the strength of a covalent bond according to Valence Bond Theory?
Extent of orbital overlap
In Valence Bond Theory, what should be the spin orientation of electrons in both overlapped orbitals?
Opposite spin
Test your knowledge on line spectra produced by excited atoms passing through a prism, and how they are used as 'fingerprints' for identifying elements based on specific wavelength emissions. Learn about the characteristics of line spectra in element identification.
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