molecular theory
Matter's tiny constituents
Molecular theory is the scientific framework holding that all matter consists of molecules—tiny particles made of atoms bonded together.
The theory explains physical properties like pressure, temperature, and phase changes as effects of molecular motion and interaction.
In gases, molecules move freely and collide; in solids, they vibrate in fixed positions.
- Avogadro's numberEntities in one mole
- chemical reactionsProcesses changing substance composition
- biochemistryScience of living chemistry
- quantum mechanicsPhysics at nanoscopic scales
- chemical bondingAtoms joining into molecules
spectroscopy · heat transfer · energy levels · van der Waals · entropy · catalysis · force fields · solubility · phase transitions · electrochemistry · electron clouds · polymerization · diffusion · crystallography · materials science · gas laws · nanotechnology · ideal gas
molecular theoryAristotelian physics
Ancient Greek motion theory
field theory · caloric theory · phlogiston theory · vitalism
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