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How is the modern atomic theory different from Daltons atomic theory?
In Dalton's theory the electrons in the atom travel in a one layered orbital rotation around the nucleus, in the modern, or electron cloud, theory the electrons travel in a more radical patterned movement while still staying in their respected energy levels.
How did Thomson's experiment change Dalton's atmic model?
Thomson's experiment suggested the presence of negatively charged electrons in atoms, which led to the modification of Dalton's atomic model. Dalton's model proposed that atoms were indivisible and indestructible spheres, but Thomson's discovery showed that atoms were not indivisible and contained subatomic particles, leading to the development of the plum pudding model.
What year did albert Einstein discover electrons in the atom?
Albert Einstein did not discover electrons in the atom; they were actually discovered by J.J. Thomson in 1897 through his experiments with cathode rays. Einstein's work focused on the photoelectric effect and his theory of relativity.
Which scientist discovered Movement of electrons about a central nucleus is a concept?
The movement of electrons around a central nucleus is a concept that was discovered by Niels Bohr in 1913. Bohr's model of the atom revolutionized our understanding of atomic structure and laid the foundation for modern quantum mechanics.
What are the strengths and weaknesses of Dalton's atomic model?
strengths: -electrons move fast through the atom. -electrons are trapped within the atom by a positively charged nucleus -electrons are negatively charged. weaknesses: -failed to discover the nucleus contains positively charged particles called protons -failed to discover the nucleus also contains neutrons (a sub atomic neutral particle)
Who discover the electrons and protons?
Nucleus: ernest Rutherford neutron: James chadwick protons: ernest Rutherford electron: democritus atom: john Dalton
What Dalton discover?
Dalton discovered the particles that make the atom and the atom itself
Did john Dalton discover anything new about the atom?
no
How did thomsons experiment change daltons atomic model?
Thomson's experiment showed that atoms contain subatomic particles, specifically electrons. This discovery led to the modification of Dalton's atomic model, which previously considered atoms to be indivisible and uniform. Thomson's model proposed the existence of electrons within the atom.
What did john Dalton discover in science?
Meterorological
For what is John Dalton known?
i think he discover atomic theory.
What was the name of the discovery that disproved Dalton's theory?
Thomson disproved Dalton's theory because he discovered electrons.
What scientist said electrons travel in deffinite paths?
Dalton
Who proposed that this is where electrons moved around the nucleus?
John Dalton
What part of John Dalton was not buried with the rest of his body?
Dalton had requested that his eyes be examined after his death, in an attempt to discover the cause of his color blindness
When did Dalton come up with the atom?
Dalton didn't discover the atom. Democritus did. Dalton, however was the first to use the word atom. which comes from the GGreek word atomos, meaning "cannot be split"
Who said that Spectrum Lines were Produced When Electrons Move?
John Dalton
