Please help As a solid element melts, the atoms become and they have-attraction

Question

Please help

As a solid element melts, the atoms become and they have-attraction for one another. A) closer together, more B) more separated, more C) larger, greater D) closer together, less E) more separated, less When NaCl dissolves in water, aqueous Na+ and Cl- ions result. The force of attraction that exists between Na+ and H2O is called a(n)__ interaction. A) dipole-dipole B)hydrogen bonding C) ion-dipole D) ion-ion E) London dispersion force The intermolecular force(s) responsible for the fact that CH4 has the lowest boiling point in the set CH4, SiH4, GeH4, SnH4 is/are_. A) dipole-dipole interactions B) London dispersion forces C) mainly London-dispersion forces but also dipole-dipole interactions D) mainly hydrogen bonding but also dipole-dipole interactions E) hydrogen bonding Hydrogen bonding is a special case of_. A) London-dispersion forces B) dipole-dipole attractions C) ion-dipole attraction D)none of the above E) ion-ion interactions

Explanation / Answer

1) option (E)

2) option (C)

3) option (E)

4) option (E)

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---