Print Joseph John Thomson, better known as J. Thomson, was a British physicist who first theorized and offered experimental evidence that the atom was a divisible entity rather than the basic unit of matter, as was widely believed at the time.
Cheetham Hill, United Kingdom, - Cambridge, id.
Graduated in mathematics inheld the Chair in Cavendish, and subsequently, he was appointed director of the Cavendish laboratory at the University of Cambridge. Thomson investigated the nature of cathode rays and showed that electric fields could cause deviating from these.
He carried out numerous experiments on its deviation, under the combined effect of electric and magnetic fields, looking for the relationship between the load and the mass of the particles, proportionality maintained constant even when the cathode material is amended.
Joseph John Thomson In he discovered a new particle and showed that it was approximately thousand times lighter than hydrogen.
This particle would be baptised with the name of electron, designation proposed years earlier by the Irishman George Johnstone Stoney, who had theorized about his existence. Joseph John Thomson was, therefore, the first who identified subatomic particles, and arrived at important conclusions about these negatively charged particles: Thomson examined also the positive rays, studied previously by Eugen Goldstein, and in discovered the mode used in the separation of atoms of different mass.
The objective was achieved positive rays in electric and magnetic fields, diverting method now called mass spectrometry. With this technique he discovered that the neon has two isotopes, the neon and neon All these works served to Thomson to establish a new model of the structure of the atom that was incorrect, since it meant that positively charged particles were homogeneously mixed with the negative.
He calculated the amount of electricity transported by each atom and determined the number of molecules per cubic centimeter.
Inhis son George Paget Thomson was also awarded the prize Nobel Prize in Physics for the discovery of the diffraction of electrons. Extracted from the website: Biography of Joseph John Thomson British physicist.The ashes of physicist Sir Joseph John Thomson lie in the nave of Westminster Abbey near the graves of Newton and Rutherford..
The interment took place during his funeral service held on 4th September The British physicist Joseph John (J. J.) Thomson (–) performed a series of experiments in designed to study the nature of electric discharge in a high-vacuum cathode-ray tube, an area being investigated by many scientists at the time.
English physicist Joseph John Thomson was born in Chithem Hill, a suburb of Manchester, the son of Joseph James and Emma (nee Suindells) Thomson. As the father, the bookseller, wanted the boy to become an engineer, in the age of fourteen was sent to Owens College (now University of Manchester).
Joseph John Thomson, better known as J. J. Thomson, was a British physicist who first theorized and offered experimental evidence that the atom is a divisible entity rather than the basic unit of matter, as was widely believed at the time.
Joseph John Thomson was born in Manchester, England in Thomson was indeed a good scientist, but he did not know that at first. He attended college at a time when science was finally getting recognized as an important subject (Morgan).
Joseph John Thomson was, therefore, the first who identified subatomic particles, and arrived at important conclusions about these negatively charged particles: with the appliance that was built was the relationship between electric charge and mass of the electron.