## BIG IDEAS - Atomic Theory: This is the concept that all matter is made up of atoms, which are the smallest units of chemical elements. - States of Matter: Matter exists in different states (solid, liquid, gas, and plasma) based on the arrangement and energy of its particles. - Conservation Laws: These include the conservation of mass and the conservation of energy. >[!info] >Matter and mass should not be confused. ### Related Topics --- [[Home|Home]] | [[Particle Physics]] | [[Matter]] | [[Structure of the atom]] | [[Notes Vault/Physics Notes Vault/Particle Physics/Fundamental Forces of Nature|Fundamental Forces of Nature]] | [[Hadrons]] | [[Fermions]] | [[Leptons]] | [[Quarks]] | [[Standard Model]]