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- 1. Multiple Choice
Consider the anions and cations listed in the table.
Which anion-cation pair would produce the strongest ionic bond?
1. I- and Li +
2. F- and Li +
3. F- and Rb +
- 2. Multiple Choice
Consider the anions and cations listed in the table.
Which anion-cation pair would produce the Weakest ionic bond?
1. I- and Rb+
2. F- and Rb+
3. F- and Li +
- 3. Multiple Choice
Which electron dot diagram shows the correct structure for sodium oxide?
- 4. Multiple Choice
Consider the shown ions.
For the pair (A) and (B), will the force between the ions be attractive or repulsive?
1. Repulsive
2. Attractive
- 5. Multiple Choice
Consider the shown ions.
For the pair (B) and (D), will the force between the ions be attractive or repulsive?
1. Repulsive
2. Attractive
- 6. Multiple Choice
Which of the following compounds is the most covalent?
1. GeCl4
2. LiCl3
3. PCl3
4. CCl4
- 7. Multiple Choice
The displayed formula for a covalent molecule is shown. Which of the following electron dot diagrams correctly represents this molecule?
- 8. Multiple Choice
The Lewis dot diagram for a covalent molecule is shown. Which of the following molecular structures corresponds to this Lewis dot diagram?
1. O=C=O
2. O-C-C
3. O=C-C
- 9. Multiple Choice
In a Lewis diagram, how many dots would be placed around a boron atom? This element can be found in group 13 of the Periodic Table.
1. 2 dots
2. 8 dots
3. 3 dots
- 10. Multiple Choice
Which of the following is the number of covalent bonds that can be formed by an unbound atom of carbon? Carbon can be found in group 14 of the Periodic Table.
1. 8 bonds
2. 4 bonds
3. 3 bonds
- 11. Multiple Choice
Which diagram shows a molecule of carbon dioxide with correctly labeled dipoles?
- 12. Multiple Choice
Bonding pairs and nonbonding pairs dictate the molecular geometry and shape of molecules.
What is the name given to the shape of a molecule that has two bonding pairs and two nonbonding pairs?
1. Bent (Angular)
2. Trigonal planar
3. Tetrahedral
4. Square planar
- 13. Multiple Choice
What is the name given to the shape of a molecule that has three bonding pairs and one nonbonding pair?
1. Trigonal planar
2. Tetrahedral
3. Square planar
4. Trigonal pyramidal
- 14. Multiple Choice
Using the AXE method, which of the following AXE notations corresponds to a molecule with a trigonal pyramidal shape?
1. AX1E3
2. AX4
3. AX3E1
- 15. Multiple Choice
Technetium hexafluoride can be prepared by heating technetium metal with excess F2
What will the shape of the TcF6 molecule be?
1. Tetrahedral
2. Square pyramidal
3. Octahedral
- 16. Multiple Choice
What is the F-Tc-F bond angle in TcF6 ?
90
120
130
180
- 17. Multiple Choice
The following diagram shows a molecule of hydrazine.
H2N-NH2
What is the N-N-H bond angle in hydrazine most likely to be?
1. 107o
2. 90o
3. 120o
4. 180o
- 18. Multiple Choice
The Lewis structure of a nitrite ion (NO2-) is shown in the diagram.
What is the shape of this molecule?
1. Tetrahedral
2. Bent
3. Trigonal pyramidal
- 19. Multiple Choice
Which shape of a simple molecule is most likely if it contains two bonding pairs and no lone pairs?
1. Tetrahedral
2. Linear
3. Trigonal bipyramidal
4. Trigonal planar
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