Identify the most important types of antiparticle forces present in the solids of each of the...

Question:

Identify the most important types of interparticle forces present in the solids of each of the following substances.

a. {eq}BaSO_4{/eq}

b. {eq}H_2S{/eq}

c. Xe

d. {eq}C_2H_6{/eq}

e. Csl

f. {eq}P_4 {/eq}

g. {eq}NH_3{/eq}

Intermolecular forces

Interparticle forces are the forces acting between two molecules or other molecules nearby such as the forces of attraction and repulsion. The four main intermolecular forces in order of strongest to weakest are ionic bonds, hydrogen bonds, dipole-dipole interactions and Van der Waals dispersion forces.

Types of intermolecular forces

  • Ionic bonds involve a transfer of electrons between two atoms. The bond is formed between ions of opposite charge.
  • Covalent bonds are chemical bonds that involve the sharing of electrons between two atoms.
  • Van der Waals dispersion forces are forces that occur in between atoms as well as nonpolar molecules. These forces are weak and include dipole-dipole interactions as well as dispersion forces.
  • Hydrogen bonds are a subset of dipole-dipole attractions which is due to the attraction of a hydrogen atom covalently bonded to an electronegative atom (such as Cl or F).
  • Dipole-Dipole forces are forces that occur between two polar molecules.

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Intermolecular Forces in Chemistry: Definition, Types & Examples

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Chapter 5 / Lesson 3
20K

Intermolecular Forces, or forces occurring between molecules, are observed as ion-dipole, dipole-dipole, and dispersion (London). Examine these types of forces through examples explaining their causality and behavior.


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