BRAINCAKEDiscovery of the Atom
1661 Robert Boyle proposed that some substances could not be made simpler
1803 Dalton proposed that elements were made of atoms that could not be divided into smaller components.
1896 Becquerel discovered radioactivity and showed particles emitted by atoms.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
More in Atomic Structure
- Structure of the Atom
- Relative Mass and Relative Charge
- Atomic Number and Mass Number
- Isotopes
- Isotopes of Carbon
- Electrons
- Electron Shells
- The Mass Spectrometer
All 22 lessons in Atomic Structure · All AQA AS-level Chemistry topics