what is the name of the scientist who discovered the electron? a. niels bohr b. john dalton c. j.j. thompson d. robert millikan
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- Rutherford and Bohr describe atomic structure1913. Photo: Niels Bohr's research notes for his new atomic theory. In 1911, Niels Bohr earned his PhD in Denmark with a dissertation on the electron theory of metals. Right afterwards, he went to England to study with J.J. Thomson, who had discovered the electron in 1897.
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- J.J. Thomson's discovery of the electron in 1897 showed us that the atom can be split into even smaller parts. His discovery was the first step towards a detailed model of the atom. Enter this section to see how Thomson measured this invisibly small particle.
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Niels Bohr [nels ˈb̥oɐ̯ˀ] ; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.Bohr developed the Bohr model of the atom, in which he proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level (or orbit) to another.nels ˈb̥oɐ̯ˀ] ; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.
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The Discovery of the Electrons  [ edit] Given the discoveries of electrons in 1897 by Thomson, Rutherford and other scientists decided that a positively charged particle must exist to center the electron to create equally neutral atoms. Thompson proposed the name ‘positive rays’.iven the discoveries of electrons in 1897 by Thomson, Rutherford and other scientists decided that a positively charged particle must exist to center the electron to create equally neutral atoms. Thompson proposed the name ‘positive rays’.
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- Rutherford and Bohr describe atomic structure 1913. Photo: Niels Bohr's research notes for his new atomic theory. In 1911, Niels Bohr earned his PhD in Denmark with a dissertation on the electron theory of metals. Right afterwards, he went to England to study with J.J. Thomson, who had discovered the electron in 1897.
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- Niels Bohr was a Danish scientist who introduced the model of an atom in 1913. Bohr's model consists of a central nucleus surrounded by tiny particles called electrons that are orbiting the nucleus in a cloud. These electrons are spinning so fast around the nucleus of the atom that they would be just a blur if we could see particles that small.
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Is funner a word? [duplicate] Usage Note: The use of fun as an attributive adjective, as in a fun time, a fun place, probably originated in a playful reanalysis of the use of the word in sentences such as It is fun to ski, where fun has the syntactic function of adjectives such as amusing or enjoyable.
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Niels Bohr Atomic Theory Neils Bohr was the first to apply the quantum theory to atomic structure. The quantum theory of atomic processes was proposed by Niels Bohr in the year 1913 and was based on the atomic model proposed earlier by Rutherford.
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- Rutherford and Bohr describe atomic structure. 1913. Photo: Niels Bohr's research notes for his new atomic theory. In 1911, Niels Bohr earned his PhD in Denmark with a dissertation on the electron theory of metals. Right afterwards, he went to England to study with J.J. Thomson, who had discovered the electron in 1897.
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The Discovery of the Electron (2 of 15) Lastet opp 1. mar. 2008. Episode 2 of In Search of Giants: Dr Brian Cox takes us on a journey through the history of particle physics. In this episode we learn how J.J. Thomson discovered the fist subatomic particle-the electron. This film is part of a series originally broadcast on Teachers' TV (http://www.teachers.tv/video/23645). The series was made with the support of The Science and Technology Facilities Council (www.scitech.ac.uk).
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Discovery of the Electron J.J. Thomson decided to find out for sure. Thomson was a physics professor at Cambridge University in the UK. He placed cathode tubes in electric and magnetic fields. He knew that these fields will move particles from side to side, but don't have much effect on how a wave moves.
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Niels Bohr Atomic Theory Niels Bohr Atomic Theory Summary. 1  Niels Bohr suggested that electrons in an atom were restricted to specific orbits around the atoms nucleus. 2  Bohr argued that an electron in a given orbit has a constant energy, thus he named these orbits energy level.
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The Electron Discovery  Experiment Thomson's result was. e/m = 1.8 10-11 coulombs/kg. The particle that J.J.Thomson discovered in 1897, the electron, is a constituent of all the matter we are surrounded by. All atoms are made of a nucleus and electrons.
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John Dalton John Dalton FRS (6 September 1766 – 27 July 1844) was an English chemist, physicist, and meteorologist. He is best known for his pioneering work in the development of modern atomic theory; and his research into colour blindness, sometimes referred to as Daltonism, in his honour. In honour of Dalton's work, many chemists and biochemists use the (as yet unofficial) designation dalton (abbreviated Da) to denote one atomic mass unit (1/12 the weight of a neutral atom of carbon-12). 2  There is a John Dalton Street connecting Deansgate and Albert Square in the centre of Manchester.
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- What was JJ Thomson Atomic theory? Joseph John Thomson discovered the electron in 1897. In 1904,  Thomson suggested a model of the atom as a sphere of positive  matter in which these electrons are positioned …by electrostatic  forces.
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The Discovery of the Electrons  [ edit] The Discovery of the Electrons [edit]. The Electron was discovered in 1896, by the British physicist J. J. Thomson, using a cathode rays while doing discharge tube experiments.
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J. J. Thomson Lived 1856 – 1940. J. J. Thomson took science to new heights with his 1897 discovery of the electron – the first subatomic particle. He also found the first evidence that stable elements can exist as isotopes and invented one of the most powerful tools in analytical chemistry – the mass spectrometer. Advertisements.
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- J. J. Thomson. Sir Joseph John Thomson OM PRS (/ˈtɒmsən/; 18 December 1856 – 30 August 1940) was an English physicist and Nobel laureate in physics, credited with the discovery and identification of the electron; and with the discovery of the first subatomic particle.
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- Niels Bohr was a theoretical physics professor at the University of Copenhagen. He discovered the Quantum Atom. He won the 1922 Nobel Prize for Physics. Niels Bohr was a great … contributor for Quantum Mechanics. Niels Bohr was born 7 October 1885.
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Introduction to quantum mechanics In 1913 Niels Bohr proposed a new model of the atom that included quantized electron orbits: electrons still orbit the nucleus much as planets orbit around the sun, but they are only permitted to inhabit certain orbits, not to orbit at any distance.
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- The charge on electron was first measured by J.J. Thomson and two co-workers (J.S.E. Townsend and H.A. Wilson), starting in 1897. Each used a slightly different method. Townsend's work will be described as an example. Townsend's work depended on the fact that drops of water will grow around ions in humid air.
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Who discovered the electron, proton and neutron? Best Answer: The electron was identified and assigned the negative charge in 1897 by J.J. Thomson and his team of British physicists. They performed experiments indicating that cathode rays really were unique particles, rather than waves, atoms or molecules as was believed earlier.
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Who discovered the electron, proton and neutron? Experiments by J.J. Thomson in 1897 led to the discovery of a fundamental building block of matter one hundred years ago, the British physicist J.J. Thomson was venturing into the interior of the atom.
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James Chadwick James Chadwick. Lived 1891 – 1974. James Chadwick discovered the neutron in 1932 and was awarded the Nobel Prize for Physics in 1935. He led the British team in the Manhattan Project, in which the UK and Canada supported the USA’s World War 2 effort to build the world’s first nuclear bomb.
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Niels Bohr Atomic Theory Niels Bohr atomic theory can used to explain the structure of all atoms. Niels Bohr atomic theory was a combination of Rutherford’s model and an idea of atom, with quantum theory, which is introduced by Max Plank.He expanded the Rutherford model upon this theory by proposing that electron travel only certain successively large orbits.iels Henrik David Bohr (1885-1962) was published his Niels Bohr atomic theory in 1913. He was a Danish physicist and he got Nobel Prize in 1922 in physics for atomic structure and quantum mechanics. He was one of the most influential scientists in 20th century.
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- Nicholas Morreau Nicholas Morreau was a Soviet Scientist during 1943 who invented the first Electron Particle Magnet. He was never seen or heard of. He died at the age of 42 f…rom Radiation and contamination while working on an experiment in his laboratory in 1948. His body was never found and he never married.