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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 ChoiceWhat is the measure of a tetrahedral bond angle?90 Degrees109.5 Degrees120 Degrees180 Degrees
- 4. Multiple ChoiceWhich of the following shapes has unshared pairs of electrons on the central atom?BipyramidalBentTrigonal PlanarTetrahedral
- 5. Multiple Choice
Which molecule would have this shape?
BF3
CH4
PCl5
CO2
- 6. Multiple ChoiceWhich of the following molecular shapes would have a bond angle of 180 Degrees?BentTrigonal PlanarTetrahedralLinear
- 7. Multiple ChoiceWhat molecule could this be?BF3CH4H2OCO2
- 8. Multiple ChoiceThe bond angle for a trigonal planar molecule is90 Degrees109.5 Degrees120 Degrees180 Degrees
- 9. Multiple ChoiceWhich shapes are altered by unshared pairs of electrons?Bent and PyramidalTrigonal Planar and BentTetrahedram and BipyramidalPyramidal and Linear
- 10. Multiple Choice
How many unshared pairs of electrons will a bent molecule have?
0
2
3
4
- 11. Multiple ChoiceHow many unshared pairs of electrons will a pyramidal molecule have?1234
- 12. Multiple Choice
What is the bond angle for a trigonal pyramidal molecule?
90
107
109.5
120
- 13. Multiple Choice
What is the bond angle in a bent molecule?
90
109.5
107
180
- 14. Multiple Choice
What could this molecule be?
CH4
CO2
PCl5
BF3
- 15. Multiple Choice
What molecule could this be?
CO2
NH3
H2S
CH4
- 16. Multiple Choice
What molecule could this be?
H2O
NH3
CO2
CH4
- 17. Multiple Choice
What shape would PH3 have?
Trigonal Planar
Trigonal pyramidal
Bent
Linear
- 18. Multiple ChoiceHow many unshared pairs of electrons will a pyramidal molecule have?1234
- 19. Multiple ChoiceWhat is the bond angle for this molecule?109.512010790
- 20. Multiple ChoiceWill this molecule be polar or nonpolar? PH3polarnonpolar
- 21. Multiple ChoiceWill this molecule be polar or nonpolar? CS2polarnonpolar
- Answer choicesTagsAnswer choicesTags