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Look the atom was first drawn by John Dalton which was like a shell. JJ Thompson discovered it by conducting Thomas Alva Edison's Cathode Ray experiment. He suggested that the atom was covered with electrons like pimples on someones face. Since John Dalton suggested that the atom was electrically neutral JJ Thompson proposed that The atom was positively charged with the negatively charged electron on the body of the atom. Like Pimples.
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What scientists are associated with the discovery of the electron?
J.J. Thomson is credited with the discovery of the electron in 1897 through his experiments with cathode rays. He proposed the existence of negatively charged particles, named electrons, which contributed to the development of the atomic model.
How did thompsons cathode ray experiment change the atomic model of the day?
Thompson's cathode ray experiment led to the discovery of the electron, which was a fundamental particle in the atom. This challenged the earlier model of the atom as a solid, indivisible sphere by proposing a structure of a positively charged sphere with negatively charged electrons embedded within it. Thompson's model contributed to the development of the modern atomic model.
What is the evolution of the atomic model from the billiard ball model to the electron cloud model?
The evolution of the atomic model from the billiard ball model to the electron cloud model involved key developments such as Thomson's discovery of the electron, Rutherford's experiments leading to the nuclear model, and Bohr's quantized energy levels. This progression ultimately led to the development of the quantum mechanical model, which describes electrons as forming a cloud of probability around the nucleus rather than following a specific path.
How does the atomic model we use today differ from Bohr's model?
The atomic model used today, known as the quantum mechanical model, incorporates the principles of quantum mechanics including the concept of electron clouds and probability distributions of electron locations, while Bohr's model focused on specific orbits for electrons. The quantum mechanical model provides a more accurate description of electron behavior and allows for a better understanding of the complexities of atomic structure.
Why is the current atomic model called the electric cloud model?
The current atomic model is called the electron cloud model because it describes electrons as having both particle-like and wave-like characteristics, and they are found in regions of high probability known as electron clouds surrounding the nucleus of an atom. This model replaces the older concept of electrons orbiting the nucleus in fixed paths.
What scientists are associated with the discovery of the electron?
J.J. Thomson is credited with the discovery of the electron in 1897 through his experiments with cathode rays. He proposed the existence of negatively charged particles, named electrons, which contributed to the development of the atomic model.
What advances in science led to the new model of atom?
The advances in science that led to the development of the new model of the atom include the discovery of the electron by J.J. Thomson in 1897 and the subsequent plum pudding model, the discovery of the atomic nucleus by Ernest Rutherford in 1911 through the gold foil experiment, and Niels Bohr's proposal of a quantized electron energy level model in 1913. These discoveries collectively laid the foundation for the development of the modern atomic model.
What is the current atomic model called?
The Electron Cloud model
How did thompsons cathode ray experiment change the atomic model of the day?
Thompson's cathode ray experiment led to the discovery of the electron, which was a fundamental particle in the atom. This challenged the earlier model of the atom as a solid, indivisible sphere by proposing a structure of a positively charged sphere with negatively charged electrons embedded within it. Thompson's model contributed to the development of the modern atomic model.
Are there any limitations of Chadwick's atomic model?
Yes, Chadwick's atomic model did not fully explain the properties of the electron cloud or electron behavior within an atom. It also did not delve into the concept of electron energy levels and their relationship to atomic spectra.
What is the evolution of the atomic model from the billiard ball model to the electron cloud model?
The evolution of the atomic model from the billiard ball model to the electron cloud model involved key developments such as Thomson's discovery of the electron, Rutherford's experiments leading to the nuclear model, and Bohr's quantized energy levels. This progression ultimately led to the development of the quantum mechanical model, which describes electrons as forming a cloud of probability around the nucleus rather than following a specific path.
How the modern atomic model different from Bohr's model?
the arrengement electron are differant
Why is the current atomic model calles electron cloud model?
The electron cloud model best describes the organization of electrons around the nucleus of an atom.
Why is the current atomic model called electron cloud model?
The electron cloud model best describes the organization of electrons around the nucleus of an atom.
How does the atomic model we use today differ from Bohr's model?
The atomic model used today, known as the quantum mechanical model, incorporates the principles of quantum mechanics including the concept of electron clouds and probability distributions of electron locations, while Bohr's model focused on specific orbits for electrons. The quantum mechanical model provides a more accurate description of electron behavior and allows for a better understanding of the complexities of atomic structure.
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.
How did Ernest Rutherford change the atomic model based on his experimental results?
Ernest Rutherford's famous gold foil experiment led to the discovery of the atomic nucleus. This discovery changed the atomic model by replacing the plum pudding model with the planetary model, where electrons orbit a central nucleus. Rutherford proposed that the nucleus contained positively charged protons while the electrons orbited around it.
