Final answer:
The atomic theory has evolved over time, starting with Dalton's idea of indivisible atoms, Thomson's discovery of electrons, Rutherford's nuclear model, Schrödinger's quantum mechanical model, and Bohr's planetary model.
Step-by-step explanation:
- Dalton: Proposed the idea of atoms as indivisible particles.
- Thomson: Discovered the electron and proposed the plum pudding model.
- Rutherford: Conducted the gold foil experiment and proposed the nuclear model of the atom.
- Schrödinger and others: Developed the quantum mechanical model of the atom, which describes electrons as wave-like particles in orbitals.
- Bohr: Proposed the planetary model of the atom, where electrons orbit the nucleus in specific energy levels.
Learn more about Historical Development of the Atomic Theory