Between, Not Within

One word decides this entire unit: between. Bonds hold a molecule together from the inside. Intermolecular forces hold molecules to each other from the outside — and they are the reason anything is ever a liquid, a solid, or a solution. This is the spine of Unit 3. Everything after it reads off this one distinction.

8 STEPS · 6 QUICK CHECKS · H₂O · DISPERSION · DIPOLE–DIPOLE · HYDROGEN BONDING · v1