1919 ⟶ Rutherford Identifies the Proton
Ernest Rutherford discovers the proton.Year
1897
1911
1913
1919
1932
⚛️ J.J. Thomson Discovers the Electron
J.J. Thomson discovers the electron in cathode rays⟶

PhysicsParticle PhysicsAtomic TheoryJ.J. ThomsonScientific RevolutionModern ScienceDiscovery

⚛️ Rutherford Discovers the Atomic Nucleus

PhysicsAtomic TheoryNuclear PhysicsErnest RutherfordModern ScienceScientific Revolution

⚛️ Moseley Defines Atomic Number
Henry Moseley: defined atomic number⟶

PhysicsChemistryAtomic TheoryPeriodic TableErnest RutherfordScientific RevolutionModern Physics

⚛️ Rutherford Identifies the Proton
Ernest Rutherford discovers the proton.⟶

PhysicsAtomic PhysicsParticle PhysicsErnest RutherfordNuclear PhysicsModern ScienceChemistry

⚛️ James Chadwick Discovers the Neutron
The neutron is discovered by James Chadwick.⟶

PhysicsNuclear PhysicsParticle PhysicsQuantum MechanicsWorld War IIGlobal Impact
