Intermolecular Forces and Shapes Review Flashcard F24

Front

What are intermolecular forces?

Back

Intermolecular forces are the forces of attraction or repulsion between neighboring particles (molecules, atoms, or ions). They play a crucial role in determining the physical properties of substances.

Front

What is polarizability?

Back

Polarizability is the ability of an electron cloud in a molecule to be distorted by an external electric field, leading to the formation of temporary dipoles.

Front

Which molecule is most polarizable: HF, HBr, Br2, or F2?

Back

Br2 is the most polarizable molecule among the options provided.

Front

What is the molecular geometry of SO3?

Back

The molecular geometry of SO3 is Trigonal Planar.

Front

What is the molecular geometry of NH3?

Back

The molecular geometry of NH3 is Trigonal Pyramidal.

Front

What types of intermolecular forces are present in C2H4?

Back

C2H4 exhibits London dispersion forces.

Front

What is the molecular geometry of H2S?

Back

The molecular geometry of H2S is Bent.

Front

Define London dispersion forces.

Back

London dispersion forces are weak intermolecular forces that arise from temporary dipoles created when electron clouds around molecules fluctuate.

Front

What is the difference between dipole-dipole attractions and hydrogen bonding?

Back

Dipole-dipole attractions occur between polar molecules, while hydrogen bonding is a stronger type of dipole-dipole attraction that occurs specifically when hydrogen is bonded to highly electronegative atoms like N, O, or F.

Front

What is the VSEPR theory?

Back

VSEPR (Valence Shell Electron Pair Repulsion) theory is a model used to predict the geometry of individual molecules based on the repulsion between electron pairs in the valence shell of the central atom.