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How does number of electrons affect London dispersion forces?

How does number of electrons affect London dispersion forces?

Generally, London dispersion forces depend on the atomic or molecular weight of the material. Heavier atoms or molecules have more electrons, and stronger London forces. This means that they are harder to melt or boil. This explains the states of the halogen molecules at room temperature.

How does the number of electrons affect the strength of dispersion forces?

This weak and temporary dipole subsequently influences neighboring helium atoms through electrostatic attraction and repulsion. The instantaneous and induced dipoles are weakly attracted to one another. The strength of dispersion forces increases as the number of electrons in the atoms or nonpolar molecules increases.

What determines the strength of London dispersion?

Factors that affects the strength of a dispersion force include : Distance between molecules, polarizability and the shape of the molecule.

What does the strength of London dispersion forces between molecules depend on?

The strength of London dispersion forces depends on the size of the molecule or atom. Larger atoms and molecules have more electrons. This leads to larger dipoles being established. London dispersion forces increase the larger the atomic size.

What has the strongest London dispersion force?

The strength of London dispersion forces depends on the size of the molecule or atom . Larger atoms and molecules have more electrons. This leads to larger dipoles being established.

What causes London dispersion forces?

Answer: London dispersion / van der Waals forces are caused by distribution of electrons throughout the molecule / atom of the compound.

What determines the strength of dispersion forces?

Factors that affects the strength of a dispersion force include : Distance between molecules, polarizability and the shape of the molecule.

Why are London dispersion forces weak?

Hence, London dispersion forces are the weakest. This arises due to the unsymmetrical distribution of electrons around the nucleus which tends to create an instantaneous temporary dipole.