What is the highest occupied molecular orbital for O2? Select the correct answer below: σ2p bonding σ2p∗ antibonding π2p bonding π2p∗ antibonding
Based on bond order, which of the following can exist? Select the correct answer below: Ne2 Be2 C2 all of the above
Which spatial orientation will involve more than one bond angle value? Select the correct answer below: linear trigonal planar trigonal bipyramidal octahedral
What is the molecular structure of SF4? Select the correct answer below: see-saw bent tetrahedral trigonal planar
A molecule with three electron regions where one is a lone pair will have molecular geometry. Select the correct answer below: tetrahedral trigonal planar bent or angular seesaw
Which of the following does NOT have trigonal planar electron-pair geometry? Select the correct answer below: BF3 AlCl3 PCl3 BH3
A trigonal planar molecule will have bond angles of Select the correct answer below: 180 degrees 120 degrees 109.5 degrees 90 degrees
The number of electron domains surrounding an atom will determine the: Select the correct answer below: electron-pair geometry molecular structure Lewis structure none of the above
VSEPR theory considers which of the following? Select the correct answer below: nuclear-electron attractions nuclear-nuclear repulsions electron-pair repulsions all of the above
The VSEPR model assumes that electron pairs in the valence shell of a central atom will adopt an arrangement that repulsions by the distance. Select the correct answer below: minimizes; maximizing minimizes; minimizing maximizes; maximizing none of the above
If a molecule with a central atom that has five regions of electron density has exactly one lone pair of electrons, what will its molecular geometry be? Select the correct answer below: square planar trigonal pyramid seesaw tetrahedral
A central atom with four single bonds and two lone pairs will exhibit what molecular structure? Select the correct answer below: square pyramidal T-shaped octahedral square planar
What will be the electron-pair geometry of XeF2? Select the correct answer below: linear tetrahedral trigonal bipyramidal octahedral
When determining molecular structure for multi-center molecules, we focus on the: Select the correct answer below: terminal atom geometry central atom geometry local geometry of each interior atom overall geometry of the molecule
What is the electron pair geometry for the rightmost oxygen in the molecule below? Select the correct answer below: seesaw tetrahedral square pyramid linear
What can be used to represent bond dipole moments? Select the correct answer below: line equal sign arrow vector
Which molecule will have a net dipole? Select the correct answer below: CO2 SO2 CH4 BF3
The image below represents a molecule that takes up a three-dimensional space. Use this image to answer the question that follows. What does the net dipole moment of PF5 look like? Select the correct answer below: Vector pointing toward F Vector pointing toward P The dipole moment is 0 none of the above
Which of the following has the largest dipole moment? Select the correct answer below: NCl3 BF3 CO2 CF4
Consider the following Lewis structure for Urea, a compound produced by the metabolism of amino acids. Which atom(s) in the molecule will be at the center of a local trigonal planar molecular structure? Select all that apply: C N O H
A carbon atom that displays linear geometry is likely to be participating in: Select the correct answer below: one double bond and two single bonds one triple bond and one single bond precisely two single bonds none of the above
When atomic orbitals of two nuclei overlap, the mutual attraction between a negatively charged electron pair and the two positively charged nuclei forms: Select the correct answer below: a covalent bond an ionic bond an orbital bond none of the above
The double bond in H2C = CH2 consists of sigma bond(s) and pi bond(s). Select the correct answer below: 1; 2 1; 1 0; 2 2; 0
On a diagram showing the potential energy of two hydrogen atoms according to their internuclear distance, the lowest point will correspond to the: Select the correct answer below: point at which orbitals begin to overlap point at which the nuclei fuse ideal bond length none of the above
A plane with no probability of finding an electron is known as: Select the correct answer below: dark matter a node a gap none of the above
Which will be the strongest bond? Select the correct answer below: H−Cl H−Br H−I these are all the same strength
Which of the following determines the strength of a covalent bond? Select the correct answer below: the charges of the ions involved the amount of overlap for the orbitals involved the mass of the atoms involved all of the above
A pi bond involves: Select all that apply: direct orbital overlap lateral orbital overlap a node none of the above
A pi bond involves: Select the correct answer below: direct orbital overlap with the electron density concentrated along the internuclear axis. side-by-side, or lateral orbital overlap with the electron density concentrated on opposite sides of the internuclear axis. side-by-side, or lateral orbital overlap with the electron density concentrated along the internuclear axis. none of the above
Which bond is strongest in a carbon-carbon triple bond? Select the correct answer below: the sigma bond the first pi bond the second pi bond these are all the same strength
Which of the following produces sigma bonds? Select the correct answer below: the overlap of an s and p orbital the overlap of two s orbitals the end-to-end overlap of two p orbitals all of the above
A molecular orbital is: Select the correct answer below: a wavefunction where valence electrons can be found in an atom a wavefunction occupied by a single electron in a molecule the space surrounding a diatomic molecule the space surrounding an atom
In a molecular orbital diagram, which of the following is listed down the center of the diagram? Select the correct answer below: atomic orbitals atomic direction molecular orbitals molecular direction