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Vsepr Theory
Quiz 2
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Q.1
When applying VSEPR theory to predict molecular shape, which of the following do we not need to take into account?
Valence electrons occupying sigma bonding orbitals
Valence electrons occupying pi bonding orbitals
Valence electrons occupying non-bonding orbitals
Q.2
Determine the molecular shape of carbon tetrafluoride.
linear
trigonal planar
bent
tetrahedral
Q.3
What shape would PH3 have?
Trigonal Planar
Trigonal pyramidal
Bent
Linear
Q.4
A molecule with a lone pair on the central atom would have the same electron and molecular geometry
True
False
Q.5
How many lone pairs of electrons are on the P atom in PF3?
1
2
3
0
Q.6
The Bohr model of the atom proposed that electrons move at fixed distances from the nucleus and that the energy of the electron is related to its orbit. What discovery contributed to the development of this atomic model?
Electrons can flow freely through metals making metals good conductors.
Elements have characteristic wavelengths of light emission and absorption
Noble gas elements are much less reactive than most other elements.
Electrons exhibit properties of both particles and waves.
Q.7
Which of the following correctly matches a compound with its molecular geometry?
Water (H2O) : linear
Carbon dioxide (CO2): tetrahedral
Ammonia (NH3): trigonal planar
Methane (CH4): tetrahedral
Q.8
The general formula for TETRAHEDRAL shape is __________
AB2
AB3
AB4
AB
Q.9
AB3 is a symbol for molecular shape __________________
Tetrahedral
Linear
Trigonal planar
Trigonal pyramidal
Q.10
Valence-Shell electrons pair repulsion theory is used to predict
physical properties of compound
type of chemical bonding
molecular shape
solubility
Q.11
Which of the following molecular shapes would have a bond angle ofDegrees?
Bent
Trigonal Planar
Tetrahedral
Linear
0 h : 0 m : 1 s
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