ATOMIC STRUCTURE 1. (a) ATOM & MOLECULES The smallest particle of a matter that takes part in a chemical reaction is called an atom. The atom of all gases except those…

1. The atom- By Aditya Abeysinghe 1 2.  Michael Faraday- Sent electric currents through liquids and presented two laws on electrolysis.  William Crooks and Julius Plucker-…

1. Electron, Photon, Photoelectric Effect and X-rays 1 Lig htµ + –Electric Discharge Through Gases. At normal atmospheric pressure, the gases are poor conductor of electricity.…

Chapter 4 ELECTRONICS 4.1UNDERSTANDING THE USES OF CATHODE RAY OSCILLOSCOPE A student is able to • explain thermionic emission • describe the properties of cathode rays…

TOPIC ONE Topic Two From Ideas to Implementation Dot point summaries Contextual Outline Discoveries By the beginning of the twentieth century, many of the pieces of the physics…

Slide 1Atomic Structure Slide 2 There were many scientist that contribute to the development of the first models of matter 1. Aristotle 2. Democritus 3. John Dalton Hypothesis…

Slide 1 Thomson and Rutherford’s contributions to the model of the atom Slide 2 J.J. Thomson’s Atomic Model - Thomson discovered the electron while experimenting with…

Thomson and Rutherfordâs contributions to the model of the atom J.J. Thomsonâs Atomic Model - Thomson discovered the electron while experimenting with cathode rays. Electrons…

Structure of Atom Structure of Atom A project to elaborate the discovery and advancement in the field of existence of atom and its various fundamental particles Click Here…

In the early nineteenth century, an English chemist Dalton stated clearly his ideas regarding atoms. He was the first person to give out atomic theory in 1803. This theory…