What two properties of an electron did Robert Millikan determine from his experiments?
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Q: The "size" of the atom in Rutherford's model is about 1.0 x 10-10 m.
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Q: Which options best describes Rutherford's findings for the structure of an atom. Alpha particles…
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Q: What if Rutherford had not known about Thomson’s work?
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- 0 1.51 3.40 Energy (CV) 13.6 3.4 eV 13.6 eV 1.9 eV 10.2 eV 1.5 eV = 3 # = 2 = 1 *1 = 00 The smallest energy of an absorbed photon that will raise a hydrogen atom from its ground state to its first excited state is 4 Q Search O- hp EST INV HThe kinetic energy of an electron in a particular Bohr orbit is 135 10 19 . × . − J (a) Which Bohr orbit does theelectron occupy? (b) Suppose the electron moves away from the nucleus to the next higher Bohr orbit. Does thekinetic energy of the electron increase, decrease, or stay the same? Explain. (c) Calculate the kinetic energy ofthe electron in the orbit referred to in part (b)According to the Bohr model of the atom, the first orbit of the helium ion (Het) equals:
- Whilst the vast majority of alpha particles passed through the gold foil with little or no deviation, a small fraction of them were scattered through larger angles, some even backwards. Commenting on these findings Rutherford wrote “It was almost as incredible as if you fired a 15-inch shell at a piece of tissue paper and it came back and hit you.” Explain the implications of Rutherford’s results for models of atomic structureThe energy of an electron in the first energy level of a certain atom is 9.6 eV. What is the wavelength of the electron at this level?