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Questions and Answers
What does the value of 'n' approximately equal to in the repulsive energy equation?
What does the value of 'n' approximately equal to in the repulsive energy equation?
- 12
- 6
- 8 (correct)
- 10
Why is ionic bonding termed nondirectional?
Why is ionic bonding termed nondirectional?
- It is directional based on the charge of the ions.
- The bond strength is different in different directions.
- The bond strength is equal in all directions around an ion. (correct)
- It only occurs in one direction.
What must be the nearest neighbors of positive ions in a stable ionic material?
What must be the nearest neighbors of positive ions in a stable ionic material?
- Positively charged ions
- Negatively charged ions (correct)
- Neutral atoms
- Metallic ions
What range do bonding energies generally fall within for ionic materials?
What range do bonding energies generally fall within for ionic materials?
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Which materials are typified by interatomic bonding and are characteristically hard and brittle?
Which materials are typified by interatomic bonding and are characteristically hard and brittle?
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What properties of ceramic materials are a direct consequence of electron configurations and/or the nature of the ionic bond?
What properties of ceramic materials are a direct consequence of electron configurations and/or the nature of the ionic bond?
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