POLARITY & INTERMOLECULAR FORCES

What is a nonpolar covalent bond?

Equal sharing of electrons

What is a polar covalent bond?

Unequal sharing of electrons

What causes bond polarity?

Difference in electronegativity

What symbol represents partial charge?

Delta

What is a dipole?

Molecule with positive and negative poles

Is water polar or nonpolar?

Polar

Is carbon dioxide polar or nonpolar?

Nonpolar

What are intermolecular forces?

Forces between molecules

What are van der Waals forces?

Weak attractions between molecules

What are dipole interactions?

Attractions between polar molecules

What are dispersion forces?

Weak attractions caused by electron movement

What is a hydrogen bond?

Attraction involving hydrogen bonded to a highly electronegative atom

Which intermolecular force is strongest?

Hydrogen bonding

What is a network solid?

Solid in which all atoms are covalently bonded together

What is an example of a network solid?

Diamond