VBT VSEPR Flashcards
What does Valence bond theory describe?
The bonding between atoms by the overlap of atomic orbitals.
True or False: Valence bond theory focuses on the idea of sharing electrons between atoms.
True
Fill in the blank: In Valence bond theory, a chemical bond is formed by the overlap of ________.
atomic orbitals
What is the key concept in Valence bond theory to explain the formation of covalent bonds?
Overlap of atomic orbitals
According to Valence bond theory, what happens when two atomic orbitals overlap?
A molecular orbital is formed.
True or False: Valence bond theory predicts the shape and geometry of molecules.
True
Which scientist is credited with the development of Valence bond theory?
Linus Pauling
What is the term for the region of high electron density in a molecule according to Valence bond theory?
Bonding orbital
Fill in the blank: In Valence bond theory, the bonding orbital is lower in energy than the ______ orbital.
atomic
What is the term for the region of low electron density in a molecule according to Valence bond theory?
Anti-bonding orbital
True or False: In Valence bond theory, when two atomic orbitals overlap constructively, a bonding orbital is formed.
True
What is the term for the overlap of atomic orbitals that leads to the formation of a bonding orbital?
Constructive interference
Fill in the blank: In Valence bond theory, when two atomic orbitals overlap destructively, an ________ orbital is formed.
anti-bonding
What is the term for the overlap of atomic orbitals that leads to the formation of an anti-bonding orbital?
Destructive interference
True or False: Valence bond theory can accurately predict the magnetic properties of molecules.
True
What is the term for a covalent bond formed by the overlap of sp2 hybridized atomic orbitals?
Sigma bond
Fill in the blank: In Valence bond theory, a ______ bond is formed by the side-to-side overlap of p orbitals.
Pi
What type of bond results from the overlap of two p orbitals in Valence bond theory?
Pi bond
True or False: Valence bond theory is a quantum mechanical model used to describe chemical bonding.
True
What is the term for the mixing of atomic orbitals to form new hybrid orbitals in Valence bond theory?
Hybridization