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Ionic Bonding and Repulsive Energy in Materials

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Ionic Bonding and Repulsive Energy in Materials

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Questions and Answers

What does the value of 'n' approximately equal to in the repulsive energy equation?

8 (correct)

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?

Positively charged ions

Negatively charged ions (correct)

Neutral atoms

Metallic ions

What range do bonding energies generally fall within for ionic materials?

600-1500 kJ/mol Signup and view all the answers

Which materials are typified by interatomic bonding and are characteristically hard and brittle?

Ceramics Signup and view all the answers

What properties of ceramic materials are a direct consequence of electron configurations and/or the nature of the ionic bond?

Hard and brittle, electrically and thermally insulative Signup and view all the answers

Ionic Bonding and Repulsive Energy in Materials

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Podcast

Questions and Answers

What does the value of 'n' approximately equal to in the repulsive energy equation?

Why is ionic bonding termed nondirectional?

What must be the nearest neighbors of positive ions in a stable ionic material?

What range do bonding energies generally fall within for ionic materials?

Which materials are typified by interatomic bonding and are characteristically hard and brittle?

What properties of ceramic materials are a direct consequence of electron configurations and/or the nature of the ionic bond?

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