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Both Dalton and J.J. Thomson contributed to the development of atomic theory. Dalton proposed the idea of atoms as indivisible particles with different properties, while Thomson discovered the electron as a subatomic particle within the atom's structure. Both theories were instrumental in shaping our understanding of the composition of matter at the atomic level.
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How did J J Thomson discovery change Dalton's theory?
J.J. Thomson's discovery of the electron showed that atoms were not indivisible as Dalton thought, but were made up of smaller subatomic particles. This led to the development of the plum pudding model of the atom, which replaced Dalton's solid indivisible atom theory.
What part of John Dalton's theory did J.J Thomson disprove?
J.J. Thomson's discovery of the electron through his cathode ray experiment discredited John Dalton's theory that atoms are indivisible and indestructible, as Thomson showed that atoms are composed of subatomic particles. This led to the development of the plum pudding model of the atom.
Did Dalton discover electrons?
No, John Dalton did not discover electrons. The existence of electrons was proposed by J.J. Thomson in 1897 through his experiments on cathode rays. Dalton, on the other hand, is known for his work on atomic theory in the early 19th century.
Why did a lot of time go by between Thomsons work and Daltons?
The gap between Thomson's work on the electron and Dalton's work on atomic theory can be attributed to advancements in experimental techniques and theoretical understanding. Thomson's discovery of the electron in the late 19th century provided the foundation for understanding the subatomic world, which set the stage for Dalton's work on atomic theory in the early 19th century. Additionally, the development of chemistry as a science and the accumulation of experimental evidence over time allowed for a more comprehensive understanding of atomic structure and behavior.
How did atom research conducted by john Dalton sir Joseph john Thomson sir ernest Rutherford and niels bohr impact scientific thought throughout the history of science?
The atom research conducted by John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr contributed significantly to our understanding of the structure of the atom. Dalton proposed the atomic theory, Thomson discovered the electron, Rutherford formulated the nuclear model of the atom, and Bohr developed the planetary model of the atom. These discoveries paved the way for modern atomic theory and revolutionized our understanding of matter and chemical reactions.
What was the name of the discovery that disproved Dalton's theory?
Thomson disproved Dalton's theory because he discovered electrons.
How did J J Thomson discovery change Dalton's theory?
J.J. Thomson's discovery of the electron showed that atoms were not indivisible as Dalton thought, but were made up of smaller subatomic particles. This led to the development of the plum pudding model of the atom, which replaced Dalton's solid indivisible atom theory.
What part of John Dalton's theory did J.J Thomson disprove?
J.J. Thomson's discovery of the electron through his cathode ray experiment discredited John Dalton's theory that atoms are indivisible and indestructible, as Thomson showed that atoms are composed of subatomic particles. This led to the development of the plum pudding model of the atom.
Which discovery did j.j Thomson make that improved upon Dalton atomic theory?
that atoms can be broken
Who made the contributations to the theory?
Leukippus, Democritus, Dalton, Bohr, Rutherford, Thomson and many others.
How did Thomson discovery change Dalton's atomic theory?
Thomson's discovery of the electron showed that there were things smaller than the atom that could be removed from the atom. Therefor the atom was not an "uncuttable" object as Dalton had proposed.
What aspect of Dalton's theory was not supported by Thomsons findings?
Dalton's theory proposed that atoms are indivisible and have no subatomic particles, which was not supported by Thomson's discovery of the electron. Thomson's findings showed that atoms contain subatomic particles, challenging the notion of indivisible atoms in Dalton's theory.
Which part of Dalton's theory did Thomson's findings dispute?
The atom is the smallest known particle.
Who made contributions to the atomic theory?
Leukippus, Democritus, Dalton, Bohr, Rutherford, Thomson and many others.
How did Thomson's discovery change Dalton's atomic theory?
Thomson discovered that atoms can be cut. He found this out while studying rays traveling between charged metal plates in a vacuum tube. He discovered that the rays were consisted of negatively charged particles. He had just discovered electrons. He discovered all of this on a trip from America. Since electrons are so small, he believed that they could only be from inside of the atom. Since Thomson's discovery of the electron, John Dalton's theory that atoms are indivisible had to be changed.
Is Dalton's atomic theory the same as the particle theory?
No b/c Thomson discovered that atoms can be cut. He found this out while studying rays traveling between charged metal plates in a vacuum tube. He discovered that the rays were consisted of negatively charged particles. He had just discovered electrons. He discovered all of this on a trip from America. Since electrons are so small, he believed that they could only be from inside of the atom. Since Thomson's discovery of the electron, John Dalton's theory that atoms are indivisible had to be changed.
Did Dalton discover electrons?
No, John Dalton did not discover electrons. The existence of electrons was proposed by J.J. Thomson in 1897 through his experiments on cathode rays. Dalton, on the other hand, is known for his work on atomic theory in the early 19th century.
