Bond Polarity and Intermolecular Forces

Front

What is bond polarity?

Back

Bond polarity refers to the distribution of electrical charge over the atoms joined by the bond. It occurs due to differences in electronegativity between the bonded atoms.

Front

Define polar molecule.

Back

A polar molecule is a molecule that has a net dipole moment due to the presence of polar bonds, which arise from differences in electronegativity between the atoms.

Front

Define nonpolar molecule.

Back

A nonpolar molecule is a molecule that does not have a net dipole moment, often because the bond dipoles cancel each other out due to symmetrical arrangement.

Front

What are intermolecular forces?

Back

Intermolecular forces are forces of attraction or repulsion between neighboring particles (molecules, atoms, or ions). They are weaker than intramolecular forces.

Front

List the types of intermolecular forces.

Back

1. Dispersion forces (London forces) 2. Dipole-dipole interactions 3. Hydrogen bonding

Front

What is hydrogen bonding?

Back

Hydrogen bonding is a strong type of dipole-dipole interaction that occurs when hydrogen is bonded to highly electronegative atoms like nitrogen, oxygen, or fluorine.

Front

What are dispersion forces?

Back

Dispersion forces, also known as London forces, are weak intermolecular forces that arise from temporary shifts in electron density in atoms or molecules.

Front

How does molecular shape affect polarity?

Back

The shape of a molecule determines how bond dipoles add up. If the shape is symmetrical, the molecule is likely nonpolar; if asymmetrical, it is likely polar.

Front

What is the significance of electronegativity in bond polarity?

Back

Electronegativity is the ability of an atom to attract electrons. A significant difference in electronegativity between two atoms leads to polar bonds.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution. It is usually present in a greater amount.