*Atomic Structure*🔥 *➊Laws of Conservation of Mass* *Proposed by* - Antoine Lavioisier ( 1789) *➋Laws of Definite Proportion* *Proposed by* - Joseph Proust (1799) *➌ Laws of Multiple Proportion* *Proposed by* - Jhon Dalton (1803) *➍Gay Lussac's law* *Proposed by* - joseph Gay Lussac's (1808) *➎ Avagadro Laws* *Proposed by* - Amedeo Avagadro (1811) [ *Major Atomic Model* ] *➊Dalton Atomic Theory* *Proposed by** -John Dalton(1803) *➋ Thomson Plumb pudding Model* *Proposed by* - JJ Thomson(1897) *➌ Ratherford Nuclear Model* *Proposed by** -Ernst Ratherford (1911) *➍ Bhor model* *Proposed* *by** - Niel bhor(1913) *➎Quantum Mechanical Model* *Proposed by* -Erwin Schrödinger, Werner Heisenberg (1926-1930)