Molecular bonding

What are covalent molecular solids composed of?

Lots of single molecules that are stuck together

Why are polar molecules normally soluble in water?

Because they can form inter-molecular bonds with the water molecules.

Do molecular solids conduct electricity?

They do not conduct electricity because they do not have freely moving charged particles.

Do molecular solids have high or low melting points and why?

They have low melting points because little energy is needed to break their weak inter molecular bonds

Describe the hardness of molecular solids...

Molecular solids are not very hard because they have weak inter molecular bonds.

Topic sentence

Molecular substances are made up of discrete molecules held together with weak intermolecular forces

Are molecular substances ductile/malleable

they consist of distinct, separate molecules held together by weak intermolecular forces that snap and fracture under stress rather than allowing smooth, flexible shifting