Atomic Theory Scientists

Bohr

____‘s Model explains how atomic emission spectra are derived (planetary model)

Rutherford

Gold foil experiment: led to the discovery of the atomic nucleus

Nuclear-atom model: Protons and neutrons in nucleus

Heisenberg

______’s Uncertainty Principle: determined that certain pairs of qualities, such as position and momentum, cannot be known simultaneously.

Schrödinger

Developed the equation that describes the energy of an electron quantum mechanically

Thomson

Discovered electrons (e-) with a cathode ray tube

Dalton

Modern atomic model:

-Each element is composed of extremely small particles called atoms

-Atoms are indivisible (invalid)

-Atoms of a given element are identical (invalid)

-Atoms of different elements are different and have different properties

-Law of def prop

-Law of conservation