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Questions and Answers
Which type of solid possesses a characteristic heat of fusion?
Which type of solid possesses a characteristic heat of fusion?
- Covalent solid
- Amorphous solid
- Ionic solid
- Crystalline solid (correct)
What type of bond holds atoms, ions, and molecules together in solids?
What type of bond holds atoms, ions, and molecules together in solids?
- Hydrogen bond
- Van der Waals forces
- Metallic bond
- Ionic bond (correct)
What characteristic distinguishes solids from gases in terms of density and compressibility?
What characteristic distinguishes solids from gases in terms of density and compressibility?
- Low density and high compressibility
- High density and low compressibility (correct)
- High density and high compressibility
- Low density and low compressibility
What is the defining characteristic of a crystalline solid?
What is the defining characteristic of a crystalline solid?
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What disappears completely when a gas is ideal?
What disappears completely when a gas is ideal?
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Study Notes
Solids and Their Characteristics
- A solid with a characteristic heat of fusion is an amorphous solid.
Bonding in Solids
- Atoms, ions, and molecules are held together in solids by intermolecular forces or electrostatic forces.
Solids vs. Gases
- Solids are distinguished from gases in that they have a fixed density and are incompressible, whereas gases have varying density and are compressible.
Crystalline Solids
- The defining characteristic of a crystalline solid is that it has a repeating pattern of atoms, ions, or molecules arranged in a crystal lattice.
Ideal Gases
- The intermolecular forces between gas molecules disappear completely when a gas is ideal.
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