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- 1. Multiple ChoiceWhat is the VSEPR theory used to predict?Bond StrengthPolarityMolecular ShapeElectronegativity
- 2. Multiple ChoiceAccording to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?Pairs of valence electronsInner shell electronsMobile ElectronsElectrons closest to the nucleus
- 3. Multiple Choice
How many electron domains does this molecule have ?
1
2
3
4
- 4. Multiple Choice
What is the electron geometry (EG) for this molecule ?
Linear
Trigonal Planar
Tetrahedral
Octahedral
- 5. Multiple Choice
Which of the following molecular geometries (MG) has lone pairs ?
Bent
Tetrahedral
Trigonal Bipyramidal
Linear
- 6. Multiple Choice
What is the molecular geometry (MG) for NH3 ? Hint: Draw the Lewis dot structure
tetrahedral
trigonal pyramidal
trigonal planar
bent
- 7. Multiple Choice
What is the molecular geometry (MG) shape of H2O?
linear
tetrahedral
bent
trigonal pyramidal
- 8. Multiple Choice
SiCl4 has what electron geometry (EG) ?
trigonal planar
octahedral
tetrahedral
trigonal bipyramidal
- 9. Multiple ChoiceVSEPR stands for ________ theory.Valence Structure of Electron Pyramids and RegressionVaried Structures of Electrons Paired and ReplacedVaried Shell Energy of Protons and RadiationValence Shell Electron Pair Repulsion
- 10. Multiple Choice
What is the molecular geometry (MG) for: 2 bond domains and 0 lone pairs on the central atom ?
linear
trigonal planar
bent
tetrahedral
trigonal pyramidal
- 11. Multiple Choice
What is the electron geometry (EG) for: 3 bond domains and 1 lone pair on the central atom ?
linear
trigonal planar
tetrahedral
trigonal bipyramidal
- 12. Multiple ChoiceA lone pair is defined asA pair of bonding electronsOne non-bonding electronA pair of non-bonding electronsA pair of electrons on the central atom
- 13. Multiple ChoiceWhat is the measure of a tetrahedral bond angle?90 Degrees109.5 Degrees120 Degrees180 Degrees
- 14. Multiple ChoiceWhich of the following molecular shapes would have a bond angle of 180 Degrees?BentTrigonal PlanarTetrahedralLinear
- 15. Multiple ChoiceThe bond angle for a trigonal planar molecule is90 Degrees109.5 Degrees120 Degrees180 Degrees
- 16. Multiple Choice
Is H2S polar or nonpolar?
polar
nonpolar
- 17. Multiple Choice
Is PH3 polar or nonpolar?
polar
nonpolar
- 18. Multiple Choice
What molecular geometry of an octahedral molecule is polar ?
square pyramidal
square planar
octahedral
T-shaped
- 19. Multiple Choice
What is the bond angle for a molecule with 5 electron domains and linear molecular geometry (MG) ?
120o
90o
180o
109.5o
- 20. Multiple Choice
How many lone pairs does a T-shaped molecule have ?
0
1
2
3
- Answer choicesTagsAnswer choicesTags