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Questions and Answers
Which type of interparticle force is responsible for the bond between metallic ions in a sea of electrons?
Which type of interparticle force is responsible for the bond between metallic ions in a sea of electrons?
- Dipole-dipole bond
- Metallic bond (correct)
- Electrostatic bond
- Covalent bond
Which material is an exception to the poor electrical conductivity of non-metals?
Which material is an exception to the poor electrical conductivity of non-metals?
- Diamond (correct)
- Benzoic acid
- Silica
- NaCl
Which type of particle is characterized by covalent bonds?
Which type of particle is characterized by covalent bonds?
- Unit cells
- Metallic ions in a sea of electrons
- Monoatomic or polyatomic molecules (correct)
- Cations and anions
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Study Notes
- Different types of particles include unit cells, cations and anions, covalently bonded atoms, monoatomic or polyatomic molecules, and metallic ions in a sea of electrons.
- Interparticle forces include electrostatic, covalent, London, dipole-dipole, hydrogen, and metallic bonds.
- Hardness varies from soft to very hard, with some materials being brittle.
- Melting points vary widely, from very high to very low temperatures.
- Thermal and electrical conductivity varies among materials, with some being poor conductors in the solid state but good conductors when melted or dissolved in water.
- Exceptions to poor electrical conductivity include graphite, and diamond is a good conductor of heat.
- Examples of materials include NaCl, CaF2, diamond, silica, ice, benzoic acid, Na, Mg, and Cu.
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