Ice, Water, Steam: One Molecule, Three Arrangements

Freeze it, melt it, boil it — and through all of it the H₂O molecule never changes. Only two things ever vary between the phases: how far apart the particles sit, and how they move. Get that straight and every question in this topic answers itself, including the one everybody gets wrong: what boiling actually does.

8 STEPS · 6 QUICK CHECKS · ONE SUBSTANCE, THREE PHASES · v1